Ruitong corporation limited was founded in international economic city Hongkong, Main bussiness office located in Shanghai, China. Which is a professional and comprehensive enterprise, with production, research, development, processing and trade of chemicals include ferric oxide, refined naphthenic acid, etc. Our ferric oxide production base located in Shandong province, with more than 80, 000 Square meters and more than 60 works. Anual production is about 9000mt. It

主要产品/业务: Ferric oxide，naphthenic acid