Amatek Scientific Co. Ltd.
Telephone0512-56316828 400-867-5858;400-867-5858
Websitehttp://www.amateksci.com
shanghai Yanfeng biochemical technology Co.,LTD
Telephone17721070236 13611955358
Websitehttp://www.yanfenbio.com/
Shandong fen Boyu Biotechnology Co.,LTD
Telephone13356310019
Websitehttps://www.chemicalbook.com/supplier/25479786/
Chengdu Hanwei Biotechnology Co., Ltd
Telephone17360178904 18217049878
Websitehttp://www.pegtide.com
ShanghaiZhikunBiotechnology Co.,Ltd
Telephone15821335126 15821335126
Websitehttps://www.zhikunshengwu.cn