Tongbao Biological engineering Co., Ltd founded in 1995, is a industry company to produce L-ALANINE and L-ASPARTIC ACID. The corp. was strypped-down in 2000, and it has more than 10 million RMB yuan net capital, annual output is about 2500 ton L-ASPARTIC ACID and 1200 ton L-ALANINE. The product quality is accord with the standard of AJI 93 and USP 23. The corp is located at the north of Zhejiang province. It is about 45 kilometer far away from Hangzhou and about 180 kilometer far away from Shang...
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