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/
Amadis Chemical Company Limited
Telephone571-89925085
Websitehttp://www.amadischem.com
Aikon International Limited
Telephone025-58851090 13611564524
Websitehttp://www.aikonchem.com
Yujinpharma(Tianjin) Technology Co.,Ltd.
Telephone13370351217 kungfu1217@1
Websitehttp://www.yujinpharma.com
Blocksynth Pharmaceutical Technology Co.,Ltd
Telephone0086-19817745290; +8619817745290
Websitehttp://www.blocksynth.com/
Ningbo Zhenyue Pharmaceutical Technology Co., Ltd
Telephone 19817745290
Websitehttp://www.blocksynth.com/cn/
Mainchem Co., Ltd.
Telephone+86-0592-6210733
Websitehttps://www.mainchem.com