Henan Ocean Import and Export Trading Co

& Henan Ocean Import and Export Co., Ltd. is located in Zhengzhou City, the capital city of Henan Province. It is affiliated to Sitong Group. Sitong Group is a professional manufacturer and service provider of concrete additives. It was founded in 2001 and is committed to the research and development and development of concrete additive products. With continuous development, it has more than ten years of industry experience. After years of unremitting efforts, we have created a series of B& chemical brand products, including naphthalene series, polycarboxylic acid & mother liquor as well as finished water reducing agents and various additives. &B& series chemical products are professional additives for commercial concrete. We have a professional service team that can provide efficient assistance in your construction. We always maintain a serious and innovative attitude in our work, and are constantly committed to researching and developing more environmentally friendly products. W... [Details]