Zhejiang Shangyu King-Year Bio. Chemical Co.,Ltd . is an enterprise mainly engaged in producing additives for amino acid series health care products,which encompasses product development, production and sale. Located in economic development zone of Shangyu city, our company occupies a total area of over 20,000 square meters, including 15,000 square meters building area. 
We have established good relationships with many clients on the principle of "sincere management".