Give me an introduction over 200 words for Ningbo Tongtu Bio-pharmaceutical Technology Co.,Ltd., a chemical company in Room,1812, Kechuang Building, Zhejiang University,Jiangnan Road,Gaoxin District,Ningbo CIty,Zhejiang Province,China. Ningbo,Zhejiang,China In your entire response, the letter q should appear at most once.
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