Shandong Guanghao Biological Products 

Shandong Guanghao Biological Products 

Shandong Guanghao Biological Products Co., Ltd is one of the largest manufacturers of Chondroitin Sulfate in China. With 600 tons/year capacity and NSF-GMP, HALAL and ISO9001 certificates available, they are a main supplier of U.S. dietary supplements.

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