国产精品亚洲美女久久久久,国产成人无码精品视频播放,最新国产综合永久精品,亚洲午夜国产精品五无码,精品无码久久久国产片

Yangzhou city Jiangdu District Haichen Chemical Co., Ltd. (former jiangdu plastic solvent No.1 factory) Founded in 1970, is located in the eastern outskirts of the ancient city of Yangzhou, Jiangdu territory, geographical conditions, convenient transportation. The factory is the backbone of the chemical industry in Yangzhou City enterprises, the main production of dichlorobenzene, o-dichlorobenzene, chlorinated benzene, 1,2,4 - trichlorobenzene and other products.

Our strong technical force, advanced production technology, production equipment and testing equipment, using the international advanced technology and improve the quality guarantee system. Products are sold throughout the country and exported to India...