Established in 1998, Yantai Dongcheng Biochemicals Co., Ltd is one of the largest biochemical and pharmaceutical manufacturer in China, equipped with advanced facilities and modern processing plants. Our main products are Heparin Sodium, Heparin Calcium, Chondroitin sulphate , Hyaluronic Acid, Collagen, etc, which are totally in compliance with the Pharmacopoeia Standards of Europe, Japan and ***** Our Chondroitin sulphate has obtained FDA DMF registration number and we have also achieved Japan DMF registration number&production permission number. Our Heparin Sodium has obtained EDQM COS certificate and India registration certificate. We have been certified by the State FOOD&Drug administration and our quality system has been approved by Norway DNV classification according to ISO9001 standards. � Our products are exported to more than 50 regions and countries including Europe, USA, Australia and South-east Asia. We are the largest extracted heparin sodium manufacturer in China, contributing to the largest export percentage among Chinese factories. ��One subsidiary companie in group is :Yinan Dongyuan Bioengineering Co., Ltd Our laboratories and workshops feature imported advanced analytical facilities from aboard , including HPLC from USA ; GC , Automic Absorption Spectro-photometers , UV-Spectrophoto meter and Auto-Potentiometric from Japan , etc . High professional staff with extensive expertise in areas of research and production ensure our products with consistent high quality . GMP monitoring system supervised by China State Food and Grug Administration and ISO9001 quality control system approved and regularly checked by Norway DNV classification , together with our dedicated quality assurance team and quality control team commit to the high consistency and excellent analysis performance of the products . Our goal is to satisfy the individual needs of each customer worldwide with the utmost good products and service . The rising in