色播婷婷电影综合社区,AV女优不卡亚洲在线,99999AV,日韩人妻中文字幕视频,国产拍自偷,91人人妻,超碰在线81,免费福利视频一区,九草青草原在线看

Jiangsu Yongchuang Pharmaceutical Technology Co., Ltd. is situated in Huai'an City, where is the hometown of premier Zhou Enlai. Abuts from Lianyungang city, Xinchang Railroad, Grand Canal of China, Jinghu Expressway, Heisan Expressway run through it, it is easy of access.

Yongchuang Chemical Company is a comprehensive enterprise engaging in R & D, design, production and marketing. On the basis of strong technical force, international advanced fractional distillation technology, our products occupy leading position among the same products. The company owns perfect quality guarantee system, advanced analytical equipment, has halogenating reaction, nitration reaction, reduction reaction and other reaction capacities. The products include chlorobenzene series, trifluorotoluene series, phosphorus and other series, which are exported around and they've met with great favor.

We are striving for providing the most excellent pharmaceutical, dye, pesticide intermediates.