中文字幕色婷婷在线视频-中文字幕视频二区人妻在线-中文字幕视频一区二区-中文字幕熟妇人妻在线视频-中文字幕偷乱视频-中文字幕无码

Weifang YuKai Chemical Co., Ltd. is located in the state-level Economic and Technological Development Zone---Weifang Binhai Economic Development Zone, Shandong Province, China. With a total investment of 250 million Yuan and 283 employees, our company is a chemical enterprise offering product development as well as production, sales and service. Our company is mainly devoted to the fields of flame retardants, fungicides, and phamaceutical intermediates. We adhere to the principle of "honesty and trustworthiness; customers the first" and has established long-term cooperation relationships with many large companies both at home and abroad in short time since established from 2006...