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6-Aminopenicillanic Acid
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LEAP CHEM CO., LTD.
Zhejiang Amine Product Company
Hangzhou Weck Chemical Industry Co., Ltd
Kindchem Co., Ltd
Shenzhen Winhope Industry Co., Ltd.
ADVANCED TECH. & IND. CO., LTD.
Gyma Laboratories Of America, Inc.
Shandong Airuike Chemical Co., Ltd.
Shanghai Wansheng Biotechnology Limited
XI'AN ZHONGSHI BIOENGR CO.,LTD.