久久婷婷国产综合精品,久久久久久久性潮,换脸国产av一区二区三区,韩国精品一区二区三区无码视频 ,久久久久成人精品无码

Company Profile

  • Contact Person :
  • Fax:
Shandong Weitai Fine Chemical Co.,Ltd.is one of the main brominated chemicals manufactures in China ,focusing on the production and technology research of bromine derivatives since 2005.The main products of the company include:Hydrobromic acid in acetic acid, Allyl bromide, Dibromomethane, 48% Hydrobromic acid, 52%~62%Hydrobromic acid, Zinc bromide(Solid), Zince bromide(Liquid), HCL gas, HBr gas, Sodium bromide, Potassium bromide, Ammonium bromide.
PharmaSources Customer Service