国产区一二三四区2021_极品美女被爆操_久久香蕉国产线看免费_吻胸解胸罩床戏摸视频

Yancheng Huahong Chemical Co., Ltd. locates in Zhangzhuang town,
Yandu district of Yancheng city.At present, the company mainly engages in producing halogen compounds, pyridine derivatives and other organic intermediates, which are extensively exported to Europe, the U.S.A., Japan and India. It is a qualified supplier for a lot of well-known pharmaceutical companies. 
We take integrity and compliance as our principle, focus on customer’s demand. We try to serve all customers base on our professional knowledge and experience, keep on improvement of our products and service...