Shaanxi Tong Guan Haiyida Aminoacid Company Ltd. set up in Dec. 2001, lies in the boundary of Shaanxi, Shanxi and Henan Province, about 100 kilometres from Xi! an City. The freeway from Xi! an to Tong Guan makes the traffic conveniently. Haiyida Company is specialized in developing, researching, manufacturing and sales of the Amino Acid series products. The capital asserts of Haiyida is 10 million RMB (approximate 1.

21 million US dollars). The major products are: L-Arginine HCL, L-Arginine, L-Leucine, L-Cystine and L-Tyrosine, which comply with the standard of API 97, can be used in the field of medicine and food additive; the by-products is the Aminoacid liquid and complex Aminoacid powder, can be used in feed and fertilizer. We also can supply the products that comply with the USP 24, CP 2000 and FCC IV, or meet the special requirement of our clients. There are 150 stuffs in which one person of post-doctor ship, 3 person of super engineer and 30 persons are engineer and college graduated.

After one-year technical test, we exploit new producing technology of L-Arginine HCL based on the old ones. The quality of products are stable, and outputs increase largely. Our products have been sold to both domestic and oversea, and get the recognition from our clients. We enlarged our producing line in 2003 according to the needs of market, and the annual output is 300 ton now, the L-Arginine series is 100 ton per year.

Our company is the No. 1 to produce the L-Arginine in the China. Haiyida company insist on that: ! ^0 science the core, manpower the basis, quality and credit the key, benefit of client the tenet. ! +/- Sincerely welcome our friends in every field to visit our company or instruct our work.

Our products will take wealth to you.