Laiwu City Zhongda Plastic Machinery Co., Ltd. is a professional manufacturer that commits to producing various plastic machinery main productions are obtained:Polyethylene pipe production line , Drip...

No.216.Binhai Rd.,Laishan District

Yantai Lushun Huitong Biotechnology Co., Ltd. is a professional enterprise specializing in R & D, production, sales and service of high-tech biological field.Located in a beatiful coastal city...