ShanDong Look Chemical Co.,Ltd.
Telephone +8617653113219
Websitehttps://www.sdlookchem.com/
Blocksynth Pharmaceutical Technology Co.,Ltd
Telephone0086-19817745290; +8619817745290
Websitehttp://www.blocksynth.com/
Tianjin and Sinde Biotechnology Co., Ltd.
Telephone15022315965; 18502259037
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList648428/0.htm
Suzhou QIHANG Biotechnology Co., Ltd
Telephone 18662190603
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList1505353/0.htm
QUALITY CONTROL SOLUTIONS LTD.
Telephone0755-66853366; 13670046396
Websitehttps://www.qcsrm.com