Zibo Doubang Chemical Co., Ltd. is a comprehensive company integrated with research and development, production and trading, as well a long-term partner of Shandong University of Science and Technology on Production-teaching-research cooperation and innovation. It is a professional manufacturer on Organophosphorus intermediates, reactive flame retardants, additive flame retardants, plastic additives and medical intermediates. It has successfully developed environmental- protection flame retardant and plastic additives , which have been up to the international level and filled the gaps of domestics. It has won reputation both in domestic and abroad by its quality products,on-time delivery and thoughtful service.