骰宝口诀
     
骰宝口诀 福建36选7开奖彩票 重庆快乐十分规则 betapp 欢聚龙江麻将外挂 ag捕鱼王小窍门 福建11选5开奖直播 网络竞价赚钱吗 快乐时时是哪里的 哪里上传课程最赚钱 职业打黑红梅方揭秘 期货为什么不赚钱 乡村麻将来了免费下载 苹果有什么游戏赚钱的 农场开奖结果 手机游戏能赚钱提现 竞彩足球2串1稳赚方法
 
         Light stabilizer series
         UV absorber series
         Polyurethane
         Custom Products Series
         More
 
  About us

Established in August , 1999 , Yantai Yusheng Chemical Co , Ltd ( Yantai Yusheng) is a new high-technology enterprise mainly engaged in producing plastic additives and polyurethane additives . The company is located in Laishan District , Yantai City occupying an area of 20000 sqm with a fixed asset of RMB 50 million yuan . The annual income reaches above 100 million yuan . In order to get better development , Yusheng has successively established the scientific research and development cooperation with Shandong University , Qingdao University and Yantai University . At the end of 2013 , the company has invested 30 million yuan in scientific studying . Now our company has one modern production building over 1100 sqm , lots of advanced production equipment and strong technical strength . New advanced productions are being invented every year . The company ‘s concept of development is based on transforming and improving traditional field and increasing development and growth of new products with the guidance of scientific development . Starting point and then beyond , to create a new history of production and speed on building a world – class enterprise featured of " Environment Protection and Green ."
Now Yantai Yusheng has gotten the certificate of ISO 9001 quality management system and ISO 14001 Environment management system .
 

福建36选7开奖彩票 重庆快乐十分规则 betapp 欢聚龙江麻将外挂 ag捕鱼王小窍门 福建11选5开奖直播 网络竞价赚钱吗 快乐时时是哪里的 哪里上传课程最赚钱 职业打黑红梅方揭秘 期货为什么不赚钱 乡村麻将来了免费下载 苹果有什么游戏赚钱的 农场开奖结果 手机游戏能赚钱提现 竞彩足球2串1稳赚方法
福建36选7开奖彩票 重庆快乐十分规则 betapp 欢聚龙江麻将外挂 ag捕鱼王小窍门 福建11选5开奖直播 网络竞价赚钱吗 快乐时时是哪里的 哪里上传课程最赚钱 职业打黑红梅方揭秘 期货为什么不赚钱 乡村麻将来了免费下载 苹果有什么游戏赚钱的 农场开奖结果 手机游戏能赚钱提现 竞彩足球2串1稳赚方法