亚洲产国偷v产偷v自拍涩爱_久青草国产在线观看91的视频_精品人妻无码一区二区三区淑枝_国产交换配乱婬视频偷大叼_日韩丝袜美脚视频免费在线

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, high quality, high efficiency is our enterprise requirements.To satisfy every customer is our goal.

The company warmly welcome friends at home and abroad to visit the guidance and exchange, welcome to inquire about cooperation matters!

Manager Li: 18605393000 (wechat synchronization)