shaanxi hengtong international industry co., ltd.
公司简介
dear sirs,
we are one of best veterinary manufacturer with gmp & reliable
supplier of tylosin tartrate and tylosin phosphate and veterinary products in china.
北京市朝阳区广渠门外大街8号优士阁B座1703 电话: 010-58612588 传真: 010-58612665
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