J & K SCIENTIFIC LTD.
Telephone010-82848833 400-666-7788
Websitehttp://www.jkchemical.com
Meryer (Shanghai) Chemical Technology Co., Ltd.
Telephone021-61259108 18621169109
Websitehttps://www.meryer.com/cn/index/
Amatek Scientific Co. Ltd.
Telephone0512-56316828
Websitehttp://www.amateksci.com
Nextpeptide Inc
Telephone+86-0571-81612335 +8613336028439
Websitehttp://www.nextpeptide.com/
TCI (Shanghai) Chemical Trading Co., Ltd.
Telephone021-021-61109150
Websitehttps://www.tcisct.com
WEITIXIHAUGONG
Telephone0371-53370800 18037197114
Website
Shaanxi Xihua Chemical Industry Co., Ltd
Telephone029-81123119 15529505138
Website
Zhuhai Aobokai Biomedical Technology Co., Ltd.
Telephone400-0628126 15697565236;
Websitehttp://www.aobchem.com.cn/
Shaanxi Gulliver Biotechnology Research Co., Ltd
Telephone0917-7795337 18409274651
Website
Shanghai Daken Advanced Materials Co.,Ltd
Telephone+86-371-66670886
Websitehttps://www.dakenchem.com/