欧美一级片在线免费观看,网站无码视频高清,亚洲成人无码高清

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...