What's New

fix some bug

App Description

CrazyPKuninterrupted，Understandtheappealofthegame，Hasbeenimprovedandstrengthened，Pointschallenge！Classicrolesacrosshits，Releasefingerpleasure！

iPhone Screenshots

(click to enlarge)

Mahjong pyramid screenshot 1 Mahjong pyramid screenshot 2 Mahjong pyramid screenshot 3 Mahjong pyramid screenshot 4 Mahjong pyramid screenshot 5

iPad Screenshots

(click to enlarge)

Mahjong pyramid screenshot 6 Mahjong pyramid screenshot 7 Mahjong pyramid screenshot 8 Mahjong pyramid screenshot 9 Mahjong pyramid screenshot 10

App Changes

  • June 22, 2016 Initial release
  • July 08, 2016 New version 1.1
  • November 06, 2016 New version 1.3

Other Apps From Huang TaoYing

太空大战 - 雷霆之异星太空战机 村庄保卫战 - 最好玩的守护城市保卫战 智力拼图 左脑右脑智力开发趣味拼图 趣味拼图 -免费版益智儿童智力开发 僵尸猎人 - 保护城堡之最后的战役 1010 pet elimination The black and white chess 抓头猪回家 - 勇敢救猪猪的游戏！ Jelly eating plan Magic square-block puzzle game Square Consumer Council Planet walk Interesting piano 偷天换日 - 掌心最欢乐的免费游戏 Thunder Lightning fighter Simulation of airport management Happy pirate island 水管工人 -- 最牛的棍子游戏 Beach Sudoku Water blasting-2016 new edition Hawaiian treasure Bengda frog Early childhood fast calculation master Fun jigsaw puzzles Stick Hero II 桌球王中王 -- 经典体育竞技娱乐场小游戏 Color Maze-a-connected to large Drunk driving Whos the big King 足球高手 - 梦幻职业生涯 You you jump Collection wool pompons Underground treasure Hurricane mountain Long leg hair-ball zombie Fantasy star crossed Karate master 矿工探险记 --抓取地下黄金宝藏 Pick up candy-candy fun carnival Jelly consumer 打砖块糖果版--经典打砖块游戏 Graphics education Penguins having sex guns Hell mine-novel game Wonderful Sudoku Pig-her own toilet bathroom Small red Bob together 地下挖宝石 -- 最耀眼的宝石迷阵 Jumping through Chick Manager-run online Heroes of the Orange bubble Dragon Foam pirate Shooting contest-soccer tricks enter contest Every day large sword Double skiing adventure Legend of bubble bobble II 突破重围 -- 2016最爽快枪战 Robot heroes stick Tomb master--high strategy adventure game Remove sushi-the sushi chef cuisine Fill in the blank squares – escape from the box Fire flies guessing bottle – see whos eye speed Avoid stripes--stripe-controlled game Time fighter journey--Chrono Love to eat Tom--every day in the orchard to eat Fishing master-the joy of fishing Fly eyes--cute big eyes Purple grape home record--juice unlimited Small yellow jump-run happy 同色相吸 Lamb jumping--brave little sheep Forest-eliminate-jungle adventure Math-and become the King of math Magic palette Master of desserts--the girl sweets shop game Long-long river-the River Adventure 无尽跳跃 -- 无尽狂奔 糖果雨甜蜜版 Box jump--jump Collection of keys Bubble-team-today we are all special forces Splashing fruits-fruits is you Defend the garden-the garden is my world Connections-the best mad plumber Tree felling bypass--a lumberjack Fruit crisis--the classic fruit right right touch Pyramid depends on how much you can stack layers Chicken run--dont Cook overtook Protection-gold-coin wars Chemistry lab--your dream chemistry laboratory Invincible gunner – does a great bombardment Polar fishing – fishing enthusiasts Racing – car racing game Block big adventure--your right brain so that it Football-the King of real football experience Do you are color blind Challenge Grand Master of memory--memory cards Jelly-eliminate-candy sweet Honey master--every day hard honey Candy thieves-the summer tastes fresher Brain race--how is your mental development Untie the red line Jelly bomb-blasted out a new world Mahjong to the touch--a classic matchless 太空飞行 -- 宇宙级别的急速挑战 Crazy candy-candy fun carnival time Mystery Castle-the senior Devils Tower series Internet--magic particles of the atom puzzle Drop Me Flight Simulator Gear puzzles Lightning fighters 2016 Bubble Tower Defense – very creative Oh 3S intellectual puzzle Exotic touch ball--this is a simple slide Cut it off Treasure hunter-the best of the Hunter Neighborhood blood battle Circus adventure-magic-kids circus Cartoon everyone comes to find fault Return of the Dragon egg Play rabbit--infinite cool cute Bunny rabbit run Remote--helicopters in air combat simulation Ninja flip – Parkour stunts Castle--best lianliankan Crazy tofu-its so easy to break 雪地吃货 -- 栖息地的萌宠们都饿坏了 Gongniuxiuen love Driving twin propellers Rhythm masters Out of the gold-miner new gold legend Teach you how to make fried rice 狭缝求生-疯狂求生之路 Rubber ducky Best goalkeeper-last line of Defense See who even faster-a second one-off Jumping eye Ultimate turntable--daily entertainment big wheel Deluxe Edition mine-head holes wide open Fishing wars-see who caught 横行冒险王 Dots connected elimination game Pirate mysteries Masters football-team Off-road Hurricane Tumble cat Pirate bubble war--bubble diminshing every day Balls cross Right right touch Jelly elimination-casual games Madness of King rat-remember the beautiful rat Target launch Challenge out of the garage Chef contest-do dishes Running StickMan running Spirit of the sword-Knight TIC-TAC-chess 3D jungle jump Rescue the astronauts Colt 熊猫砍竹子--无尽虐心指尖小游戏 Parking storage Stimulate block The light and the dark Penguins hockey Zombie uprising – fast paced zombie game Eat candy-candy fun Jumping cows--cows fly for a while Double color ball Master Card-help you become a master card Limit rotation-giddy good Basketball into the blue box Apple defender-super hero fighting fruit Tom and Jerry-magic mouse Immediately the shelling-iron man The sweet boys and girls-youth Sprouting jigsaw puzzle-puzzle puzzle puzzle Square sleeping-game changing fun Girl Burger – food fight 海底捕鱼 - 惊心动魄火爆虐心休闲 Laser vs aliens-alien Galaxy Cartoon-Parkour-fierce running game Enter-in the dark picture is very distinctive Face-flop-a very brain flop games Beast find the difference-picking adventures Fascinated by tempting him down-fun fantasy Dog jumping Air war 宝宝入睡 -- 选好玩具进入睡眠 How long can you keep 同色大消除 -- 看谁的反应快！ Snow White jigsaw puzzle games Pirate Wars-the wealth for the Bird barrier Football star Block was born 坦克大战 -- 进击的钢铁力量 Hungry fridge – with refrigerator Miners with fried spare ribs Small white to hide the little black Christmas jigsaw-Merry Christmas baby Little Red Riding Hood bridge-thrilling adventure Dual purpose-to see who how fast response Dodge Ball-sharp stimulation balls Exclusive area-sweetness of the sweet color Fold house-building a House Warrior warships-sea fleet has been assembled Immediately launch cake-cooking a cake 娱乐下棋 - 这么火，你还不过来下! Soldiers go home-Im a soldier Gaoerfuzhi the Hobbit-that is Potato love jump-fun crazy Parkour classes Eat dessert-sweet cute Princess and you with joy Avoid banging his arrows-watch Nail girls Snowman dress up-winter snow season Datang Mahjong-fantasy master Revival of the villain to villain Oscar is my--our little plum Zombie attack-zombie assault Childrens clinic-story about crazy doctor Meng Chong-2048-happy cute pet Western desert lianliankan-wild Wild West Candy ride-with delicious candy unexpected 儿童拼图 - 好玩拼图游戏 Super cute consumer-good happy consumer Female Knight melee-expand your Empire Magic Mahjong lianliankan-a beautiful small game Make-up masters practice Aircraft barrier-to be a pilot Little pig over the barriers-cute little pig Fruit group-a bunch of cute to you Mahjong touch touch-eruption explosion fire hits Dont touch the train-train adventure story Plane crash-car road rampage Pig tree-chopping trees to survive Cartoon Football-Giants Football Quick instructions-quick select Fruit Mahjong-a defeat jelly defence Stars of golf-legends of golf back Sprouting bubbling in rabbits Elimination of yin and Yang-like experience Small pet to eliminate 接住松果 - 寻找梦想中的松果的松鼠 Baby crawling contest-crawling baby Looking for different Adventure flight Eat the Bunny-bizarre and elegant hot thrills Match the shapes The stars and the Sun Knockdown Monster Monster Hamster-super cute little Hamste 怪物塔 - 大战萌宠怪物军团 Geek stick journey-the ultimate revenge Gems to touch Into the letters z-a fun theme games Tigers impact-screen clean colorful mix fine Dodge 360 degrees-the game play is very simple EXO-sincerity the most fun lianliankan Halloween elimination Ice cream girl 2 Happy juice-juice splash party Blow-lovely style creative play Beauty Barber Small red rotating-great fun running game Building of Tower of terror-fun free games Slingshot fruit-to create a new Sling new Paradise cake-cake right away Sudoku village-high IQ terminator Food delivery-food lovers Complicated mess-Poker every day jo Chick back the nest-the chickens big adventure Double circle Dodge-dangerous Dodge Cyclone Swat Word Maze-listen as she went looking for the Double car God-instantaneous drift Attacks on cats-Japanese anime style eliminat Clean up the Halloween ghost Tap jelly-share the juicy joy MOM kitchen-eat the Cook making art Chameleon prey Live evil bear-click survival horror game Reverse motor vehicles-car encyclopedia Bombarding crystal ball-magic crystal ball Messy room-battered heart Virgo Fashion models-build your Super Star Joy of jumping eggs-have their own favorite roles Auto Buster-very addictive Dolphin playground-play from afar Every day-brain flop-flop games Torrent-motor racing games Dumpling challenges-Chinese specialties Acrobatics motorcycle Fun StickMan-StickMan Federation war Jungle Pan-great design Small link-a link battle Lan Xiaopang cool running Gets all the sticky little monster-Rubiks cube Mahjong black and white-fun mahjong game single Shushan small ground squirrel Snake House Troublemaker-happy childhood Remove nose hair-entertainment dig nose Pentagon sources 太空激战时刻 - 刺激选择您的新战场 Christmas Panda-sprouting-clop of Panda Let the House fly-flying adventure Shark Puzzle Bobble-color-fan Sprouting little monsters Eliminate blocks-the same color of the same color Crab babies frothing-hobby Pigs love to eat donuts Table tennis hits-sound and images are very fine Monster hand – life is beautiful Poor Piglet-flying piglet Minesweeper Classic Edition-Minesweeper classic unlimited Kill mosquito-Slappy fight mosquitoes Plate girls challenge-difficult Calculate chick-chick adventures Magic pet-free magic Eliminating ghosts Master-history of the most MoE lianliankan Happy cats-feline spoof Super Smash Brothers Stone touch 3-ancient stone Cats vs war-ravaged corpse Pictures from different Glory ride-Armada 美女化妆技巧 -- 自己打扮美丽 Mobile chick-leisure chicks can fly 飞镖高手 - 疯狂飞镖比赛！！ Happy bubble bobble-single bubble bobble Run to work-training runs a good helper Extreme climbing monkey-monkey madness Warrior duel-my face is not clear Gem sources-magic gem blitz 水果大法 - 好玩的休闲益智类游戏 Lily turned – fresh girl make up Princess and Knight--look for our Princess Point line and surface-connected to double line 危险的小路 - 走出这缤纷绚丽的世界！ Destroy gems-crazy elimination game Beauty artists-art for all cartoonists Animal flops-we go through Magic-magic tricks Knight sword-a new hero sword Shopping dress up-everyday love shopping -Dont take my girls Pizza Pizza 叠高塔 - 上吧! 建筑兵团 Dessert-dessert pastries at a pig Finger-guessing game contest 小红帽怒闯森林 - 经典超级小红帽 Adventures of ostriches running legends-ostrich Deadly road-Dodge Rotating ball-crazy ball Bird solutions rope-pull rope Fashion party-forest dance city Legendary game-jelly jelly Even start dancing again and again-a jelly jelly Block ball Flip test memory-puzzle and memory read 吃货绿怪物 - 栖息地的萌宠们都饿坏 Fashion girls Clock ticks-be sure to be on time Vibrating egg-happy dance music Wire stars Practicing Zen-a Specifies the world Eat of the same color balls Takeoff rocket-red up Classic 2048 Rapid deformation racing Not only do Sudoku-Sudoku terminator game One shot elimination Hamster foodie fight-the mole Firefighters with Pinball-day Pinball Unlocking the masters-day cell phone unlocked Play the Western cowboy-themed games new Ancient samurai – warrior Ninja attack 空中杂技--暴走杂技团！ Bubble cat-the cat charged hold Bodybuilder--bodybuilding exercises Bear climbing bamboo poles-agile Panda Open the rock-rock roll to me 3D rotation-colored blocks Breathing monsters-leprechaun fight evil Marksman-10 Super Crazy taxi-cab full of legends miracle Eating gold-down BOSS fight Color wheel-entertainment everyday turntable Put away toys-I toys new product guide To protect the treasure-shelled robber Cant stop-training your creative thinking Space Hunter 打靶练习 - 我们都是神枪手 Animal King of the labyrinth-labyrinth 打雪仗 - 冬季仙境来袭 Class practical joke with you do bad things Cute little squirrel-squirrel fun labor of love Two large cargo-cargo cute pet carnival Wall bird-mysterious bird blasting 魔法扑克牌 - 精彩全民炸翻天 End of mine treasure hunt adventure Big mouth-mouth eat Animal whack-whack Dream day wedding-cant miss the Wedding March -Ejection seat ring Happy touch-beyond the imagination of fun Monster 2048-Super Monster 2048 Rabbits eat carrots-every day like carrots Adventure forest-legendary world of adventure Mermaid costume-great for makeup artists Pixel legend-retro casual games Happy kitchen-a new way of life Save the beautiful Princess Desert Sokoban-burning brain adventure Sokoban Cute mAh-warm around the world Potatoes jump-vegetarian mission Eat-eat the big Carnival Eat rock-rock legends Monster eating gem-gem to explode Meteor city-the ultimate hero White bubbles-fun adventure boy Baby ducks running-classics FC Eat box-my adventure box wonder Sum experts Ghost bomb-a restless ghost Happy Apple-eating Apple Wash Bowl small expert Chef habit of mind Eat box-game changing fun With all of super cow-cattle Sphere escape-ball run Perfect girl-fashion star Supernatural evil melee Beauty maintenance daily-beauty Cargo legend-travel notes on the tongue Penguin playing ice hockey Master parking-parking Ball cute sister-paper dress up fashion icon The eradication of hericium erinaceus Super Frog Green Frog pilot guides-leisure Four-colour bar dice-Dice Games-big rolls Small yellow treasure-classic is recommended Best built building engineer-universe games Wilderness walking-experience the fun way Synthesis-super cute Monster alien monster hits Grass Snake-snake classic games Against baseball-9 innings pro baseball Flash Pan-Yu-Jian Alliance blood enemy Yellow hair young Blue Alchemy Pick a God beast beast-world encyclopedia Ball bouncing-ball as a theme park game Comings and goings-arcade games Puzzle children array-tangram puzzle Pudding-a flexible pudding stirring hits Night cats word-perfect plan Word Clutter-cleaning-room cleaning games Egypt signed-out of Egypt temples Green little green men-wake your mind power Shotgun-shooting burst theme masterpiece Three girls-cute mother card habit for all plans Stars the wonderful connections Bus cards Ninja-child cute Panda Panda game Water stitching-Super pipes connected Room 2-magic fix adeptus minor Alien war-the real fun for free Grassroots lover-simple couple loves to play Yellow speed-a lifetime of holidays Cobweb escape-escape from the end of Web Joy plumber-plumber crazy escape Tricky boss-lustful boss Wild mushrooms-mushroom town gorgeous debut Two collision-challenge your coordination 勇士的盾牌 - 史诗级的终结！ Animal Fanfankan 灵巧躲避 - 惊险躲避障碍物! Beautiful face-ice love beautys got talent Jigsaw puzzles big-eye-eye of anger Frog love bubble frog-control Looking for love-Valentines season Dream Solitaire Solitaire Delivery of gold-crazy gold miner Swing girls-swing swing back to childhood Masters basketball contest Drive-must have a good driving -Sweet Halloween horror Halloween trick or treat Glow hockey-playing ice hockey game Sprouting a boar Three strange alien legends-magic Christmas Princess-girls dress form Sweet candy candy fanatics-fantasy style Super yum yum-attractive adventure leisure weird High heel design-fashion designer 2-hero magic lianliankan magician Mobile number-a better digital life 蘑菇城堡 - 一款童心满满的动作游戏 Shark attack 2-hungry shark Dual transform-interesting transformations I love the mermaid-fairy tale Mermaid world Crazy clip caught in the doll-stimulated them 萌宠消除 - 萌宠一个走走走 狩猎丧尸 - 奇特惊心动魄神奇精彩 Beauty jigsaw-Belle pictures jigsaw artifact Air adventure story about Bee-bee Sweet 100-sweet Kiss Magic Training Division-a magician Rascals Halloween Guess size-see whos lucky Angry Panda Desert war-in the air safety of aircraft flying. Circle the ball let you down-a little game 少女学化妆 - 生活技能get神器 New version of Chameleon-Chameleon in th Sky Games-the sky is not your limit Arab girls-beautiful girls dress Time tracking Hairy Monster 动物连连看 - 儿童最快乐的学习游戏 Little yellow guy homing 抢大红包 - 新年图个喜庆 Classic playing cards Practice every day parking-to solve parking Boutique cat fishing-fishing games Dream UFO-alien UFO flying saucer Bubble games-bubble save Stick saga-magic stick Happy farm-farm report Deep jump-dont let the fish fight desperatedly Good cooking-happy cooking game Stars collide-fun classics perfect version 怪物世界 - 一次充满怪兽的探险即将开始 Stacks of cat-retro characters cat cat Young warrior Color playing Arkanoid Save the little duck-avoid obstacles Monster family Curious-jumping rabbit cute rabbit run Happy boy-who is playing and who happy Dont take the bait-fishing master Rectangular path-leisure wonderful weird crazy 90 degree-mini mechanical fighter Park Master 2-rookie Park Road Hit birds-new role debut Code bullets-bullets charge 水果记忆卡2 - 游戏训练记忆能力！ Fantasy Christmas-fun Christmas holidays Game 2-jelly jelly soft sprouting Forest animal lianliankan 无敌神棍--跟着棍子走多远 Fishing arcade The three characters-silly little Trap master-history of the most difficult trap Pegasus comes flying pony Elimination of Meng Chong Hardcover-stick hero Space landing pilots-pilot Wizard Magic Zuma Zuma-generation leisure Devils battle-magic domain the domain adventure Boy face Fighting cat-my newborn kittens Shark-shock moments Help the monster eat jelly Sky spin bubble-like pop drop 战术小队 - 一款以特殊战术小队为题材的策略游戏！ Monster-fun English learning English Vintage cards-fantasy peculiar thrilling wonder DART practice-let the darts fly Mini airplane-thrill ACE world war aircraft Snow pictures-filled album Egypt King of the labyrinth-labyrinth Guardian guardian of the Earth-Earth Little bat-bat night adventure 橄榄球英雄 - 四分卫辉煌在手上 Small animal English Christmas bizarre zombie-zombie-infested Panda shore dazzling shock skill-a Visual Feast Stacked chicken-the chicken piled high Mixing block-this is the world 7-the magic of magic Monster jump-create your Monster Rampage-adventure flying Park game Saint King of math math baby games Bear guardians-fun easy to bear Crazy future fighter-planes readily kill Love to fight bird-brave from fear partner Magical girl 2 Happy Monster high jump-jump King Time to wash the Apple-cant stop -Color pointers to make your life easier Open a warehouse-full warehouse to rescue Fun shots-fantasy football scoring Distribution of Christmas gifts Word reorganization Little strange strange top top top top-you fly Happy goldfish flying-cute goldfish Happy fruit-you spend leisure time De tours tours-exciting spearfishing expert Drilling for oil pipe Empire-strong fleet of air combat sortie Hey I eat carrots-recapture Bunny carrot Perfect parking-car parking lot madness Panda cheer through bamboo-Panda Cats-wonderful cats a kiss back Dress up girlfriends-girlfriends a good mood Shadow run-the run Reserved seats-cute animal run Wielding a golf-a-click Shock blast fruit bowl Zombie Buster Deep sea adventure hunting 红球向下掉 - 弹弹红球跳跃运行 Take care of little cats-cute habit of mind High adventure-fun truck Across the little monsters Happy face-jumping smiles Virus elimination – fun and a challenge. Easy Parking-parking right away master skill Mini Golf-finger can look very high end Dessert consumer music-cool summer desserts Fitted luggage-luggage boutique box Master ball-hot table tennis balls got talent Sniper-shape shape secret Performing skateboarding tricks The Green Monster must die Flying cats-felines eco Monster attack city-scary Monster army Eat potato chips – homemade snacks Mysterious elimination Track ball-abuse control the ball running Lucky bingo games-Las Vegas Invincible Hexagon Bubble Bobble-the snow Christmas Adventures of brave chick-chick Crossroads-leisure traffic Demon Wolf wars Pixel small black-black leather and hold on Elements to eliminate natural elements-guardian Flying dog puppy-endless flight adventure game Mahjong-Pocket single small moon lianlia Magic bricks Classic lianliankan-happy moment lianliankan Strawberry facial mask-to open a beauty salon Beheaded in mind-a thumb-chop chop chop 一定要坚持 - 超能战队星际射击 Eat star-challenge of endless Girl drawing practice-MoE girl painting The perfect cat-pink kitten dress up 急速赛车 - 一款精心打造的纪念竞速游戏 Monster mine-the classic Minesweeper game Bear skydiving-simple controls the exciting play Shoot crazy aliens-aliens Volcano live-angry volcano Woman-I am magic eyes got talent My dormitory-female dormitory Chicken-chicken rescue Ultimate truck – the ultimate driving experience 沙漠拉力赛--充满自由与豪迈的越野赛车 美女逛街--搭讪街上附近美女 Little tadpoles looking for MOM Ninja must jump-fast paced Ninja Brown rats have to die-out mice home 巫师大作战 - 手指对抗新敌人! Goalie soccer-awkward movements I love to sing Protect turrets-turrets alerts 中国象棋入门之战 - 惊心动魄神奇精彩梦幻 Adventure mining-times of war achievements Ancient Egypt Puzzle Bobble Feed the birds-Kiss small pets Looking for marine life Small animal shooting training Duck Hunter-catching fun hunting theme Christmas gifts-send gifts to slightly See who turned the fastest-brain challenge Beauty Massage-wired lonely beauty Fruit boys-adventure game fruits Lot of bubble-bubble save Cute pet home-CPS Meng Chong Kee Adventure-hero is fearless Defense battle-best fantasy defense game Flying Panda water Follow the rabbit of the Moon Mage wars-the magic is a fun casual game software Destroy the evil rabbit Flying cat-my newborn kittens Kinky sense of direction-you can not dizzy? Battle on the train roof-crazy Parkour Carts have to jump-up gravity ride dust Bursting of the bubble form-bubbles Catch small fish-feeding kittens Understanding shape matching pair-fun shapes Shiny Crystal-excellent collect energy crystals Yellow aircraft in air combat Black box little duck-lost little yellow duck Annexation of blue balls-ball ball slipped Avoid bubble guns-unique graphics 活跃的小黄人 － 难忘的假期！ Men and women go-wild adventures Meng da da Monster-Monster Hunter hunting Grab food-elimination of Wu ren cakes Amazing wedding photos 矿工传奇 － 挑战你的小手！ Elimination of star recruit Ejection-magical Fantasy Crystal crystal ball Kill the ghost-scary ghost control Quick draw-simple poker free version Planet across-black balls across endless darkness Fishing master-fish fishing Assistant Ski Park Ski-classic and interesting game Wild drag racing-gravity aside riding no whit Magical treasure bag Rod Sims-how far can you go Card Summoner-opened up in the battle to winn ACE parking-parking rookie masters Tiramisu guide-dessert Dim sum approach Beauty habit of mind-link to be lonely A young childs brain training puzzles Battle checkers-actual checkers Jump all the way to fighting low-explosive King Bull defense Lightning war Happy volleyball Driving and car repair garage-free Kill the young couple Small consumer Green Monster hits Spin placed on the hole-trainer Invaders must die-impressive enemies lightning Finishing Mahjong-let you and the Government 抢食人脑 - 疯狂的吃吃吃！ Extreme player-Im a King Colorful bubble-cute bubble back Mine hardcover classic unlimited-puzzle games 快速点点 - 从点点画开始！ Magic roll juvenile-fun Chemical industry crisis