Alta Scientific Co., Ltd.
Telephone022-6537-8550 15522853686
Websitehttp://www.altascientific.cn
Shanghai Jiegu Biotechnology Co., Ltd.
Telephone021-51698675
Websitehttp://www.jiejiegroup.com
Nantong Zhonghe Chemical New Materials Co., Ltd
Telephone0513-85666561 15950816326
Websitehttps://WWW.ntzhhg.com
Nantong Subei Chemical Raw Materials Co., Ltd.
Telephone0513-85290972 18762756250
Websitehttps://www.ntsbhg.cn
LGC Science (Shanghai) Ltd.
Telephone17717235263 17717235263
Websitehttps://www.lgcstandards.com/CN/en/