斗转星移合成怎么进不去,a级片电影免费在线视频,九九热这里只有精品6,免费吃奶摸下激烈视频网址,国产麻豆a一级毛片爽爽影院,波霸女的淫欲生活,孽乱呻吟声老妇

  Rennotech co., ltd.
  Sell
       About us
       Products
       Buy
       Sell
       Contact us
       Chinese
Sell: Bis(4-nitrophenyl) ether
Date: 2013-10-09
Cas#: 101-63-3
Specification:
Price:
Quantity: 50mg,1g,25g,100g,500g,1kg,10kg,25kg
Term: 3
Note: The product is a gray or white crystal powder, it is the important intermediates of synthesizing epoxy crosslinking agent and heat resistant plastic, poly (maleic acid imide resin, polyimide resin, polyamide and acyl of polyurethane resin and so on.
Shanghai Danfan Network Science&Technology Co., Ltd. All Rights Reserved.