Established in April 2005, Qingdao Wantuming Biological Products Co., Ltd. is one of the earliest and professional chondroitin sulfate manufacturers in China. Our main products are chondroitin sulfate and collagen peptides. It is a comprehensive enterprise including production, sales and import & export trade business. The company has established a complete GMP quality management system, also had passed the quality system certifications of NSF-GMP, HALAL, ISO22000, ISO9001, ISO140001. It has been certified as high-tech enterprise and famous trademark enterprise in Shandong Province.