Shanghai Haolin Commerce & Trade Co., Ltd. a famous enterprise in Shanghai, founded in 2005. Being an executive director of the plastic pipe committee of China Plastics Industry Association, our company specializes in famous brand products, new types of green plastic drainage pipes as well as ductile iron pipes promoted by our country. Enjoying a leading position in the industry in terms of technology and quality, Haolin has established a full-time engineering and operation team of 40 people. We conduct the following-up service during the whole process from design, material selection,...