As a state-level hi-tech company, Shandong Topscience Biotech Co., ltd. is specialized in manufacturing, R&D, production, sales of biochemical intermediates and APIs.Manufacturing siteis is located in Shandong Province, P.R.of China. Our main products are: Chondroitin Sulfate, Sodium Hyaluronate, HCG/HMG/FSH, Heparin Sodium and Shikonin, which are complied with JP, USP and EP standard.