Shandong Hanjiang Chemical Co., Ltd. is located in Zibo City, Shandong Province, China.It is a biotechnology enterprise engaged in the R&D, production and sales of drugs, steroids, peptides, raw materials, vitamins, food additives, animal and plant extracts, cosmetics, pharmaceutical raw materials and intermediates. The company has complete experimental facilities. Advanced testing instruments ensure the stability of product quality from all aspects. The company has a complete sales service system, and its products are exported to countries all over the world. It has won a good international reputation for its excellent quality and excellent service. The company has been adhering to the