色综合久久综合网欧美综合网-色婷婷综合久久久-国内久久久久久久久久-久久久久久精品久久久 ,AV欧日韩在线观看_国产日韩综合一区_人人妻人人爽人人狠狠一_亚洲人成久久播播

Welcome to visit Changzhou Chengbang Chemical Co., Ltd. official website!

Collection ｜Homepage ｜中文版

More>>
Trichloroethylene
Product name: Trichloroethylene
CAS NO: 79-01-6
Molecular weight: 131.3889 
EC NO: 201-167-4
Molecular formula: C2HCl3
Structural formula:
  Order                   Back