中文字幕日韩小视频|亚洲 日韩 国产 中文有码|欧美激情一区二区精品高清视频|国产精品自在线免费

Linyi Guansheng Chemical Co., Ltd. is located in Linyi Economic and Technological Development Zone, mainly producing and selling paraformaldehyde, methanol, formaldehyde, acrylic acid, butyl acrylate and other chemical products, as well as import and export of goods.

The company has a sound management system and product testing means and quality control system.The strict quality of our products has won the trust of domestic and foreign enterprises and traders.The company abides by high standards, strict requirements, credibility of the development purpose, and many enterprises to establish mutual trust, mutual benefit, stable cooperative relationship.Safety, environmental protection, excellent, efficient is our enterprise requirements.To satisfy every customer is our goal.