日韩无码专区网站_国产无码福利在线_老熟妇一区二区三区aV国产_日韩午夜无码专区_亚洲日韩在线精品视频免费观看

Yancheng Creator Chemical Co., Ltd. (Former Yancheng NO.4 Chemical Industry Plant) established in 1970,we have specialized in fine chemical,pharmaceutical and pesticide intermediate for more than thirty years and we have become the major manufacturer of organic bromide series products in china,main products:Ethyl Bromide,N-Propyl Bromide,N-Butyl Bromide,N-Octyl Bromide,2-Bromopropane,Bromobenzene,p-Dibromobenzene,p-Chloromobenzene and so on,our products have been exported to many countires such as USA,Eu,Japan,Indian and other countries and regions.