Shijiazhuang Richland Biochem Co., Ltd is a technology-based company, specializing in researching and manufacturing chemicals and providing innovative solutions for global partners. Three industrial lines constitute our world-wide business: Chlorine Dioxide, APIs and Intermediates, Food additives. Rich Chem has always been working closely with multi-national companies under exclusive nfidentiality agreements in a timely and professionally manner. Welcome to contact us for more!