| Company | URL |
|---|---|
| Sichuan Hongguang Chemical Co., Ltd. | www.schgchem.com |
| Sichuan Huamai Technology Co., Ltd. | www.huamay.com |
| Sichuan Jingyu Chemical Co., Ltd. | www.scjychem.com |
| Sichuan Jisheng Biopharmaceutical Co., Ltd. | www.jisheng-peptide.com |
| Sichuan Nanbu Chengxin Technology Co., Ltd. | www.scnbcx.com |
| Sichuan RuiBo Technology Co., Ltd. | www.scrbkj.com |
| Sichuan Sangao Biochemical Co., Ltd. | www.sangaobiochem.com |
| Sichuan Sanherb Biotech. Co., Ltd. | www.sanherb.com |
| Sichuan Shifang Chuanhong Phosphorus Chemical Industry Co., Ltd. | www.chhychem.com |
| Sichuan Taienkang Pharmaceutical Co., Ltd. | www.taienkangpharma.com |
| Sichuan Tianyu Oleochemical Co., Ltd. | www.lthoil.com |
| Sichuan Tongsheng Amino Acids Co., Ltd. | www.aminoacid.cc |
| SiChuan Tongsheng Biopharmaceutical Co., Ltd. | www.biots.cn |
| Sichuan Weibo Science and Technology Co., Ltd. | www.scweibo.com |
| Sichuan Weikeqi Bilogical Technology Co., Ltd. | www.weikeqi-biological.com |
| Sichuan Xieli Pharmaceutical Co., Ltd. | www.xielipharm.com |
| Sichuan Youxin Chemical Co., Ltd. | www.youxinchem.com |
| Sichuan Zhongbang Technical Development Co., Ltd. | www.zhongbangst.com |
| Sichuan Ziren Pharmaceutical Co., Ltd. | www.sczrzy.com |
| SIDIPU FOOD Hangzhou Co,. Ltd. | www.stipfood.com |
| Sidley Chemical Co., Ltd. | www.celluloseether.com |
| Siegfried (USA), Inc. | www.siegfried.ch |
| Sifluorotm Co,. Ltd. | www.fluoro.com |
| Sigma-Aldrich, Inc. | www.sigmaaldrich.com |
| Sigmasil Chem Co., Ltd. | www.sigmasil.com |
| Silar Laboratories | www.silar.com |
| Silverline Chemicals | www.silverlinechemicals.com |
| Simagchem Corporation | www.simagchem.com |
| Simcere Pharmaceutical Group | www.simcere.com |
| Sin Hun Chemical Company | www.sinhun.com.tw |
| Sinbond Industrial Co., Ltd. | www.sinbondpharm.com |
| Sinfachem Limited | www.sinfachem.com |
| Singsino Group Limited | www.singsino.com |
| Sino Chemtech (Shanghai) Co., Ltd. | www.shsinochem.com |
| Sino Pharm Jiangsu Co., Ltd. | www.sino-pharmjs.com |
| Sinobase Polymers (HK) Limited | www.sinobasepolymers.com |
| Sinobond Import And Export(ningbo) Co., Ltd. | www.sinobond-ie.com |
| Sinochem Hebei Corp. | www.sinochemhebei.com |
| Sinochem Jiangsu Corporation | www.sinochemjiangsu.com |
| Sinocompound Catalysts Co., Ltd. | www.sinocompound.com |
| Sinocure Chemical Group | www.sinocurechem.com |
| Sino-Future Bio-Tech Co., Ltd. | www.sino-future.com |
| Sinogel Amino Acid Co., Ltd. | www.sinogel.com |
| Sino-High (China) Co., Ltd. | www.sinohighchem.com |
| SINOJIE (HK) Limited | www.sinojie.com |
| Sinopec Shanghai Petrochemical Co., Ltd. | www.spc.com.cn |
| SinoPep-Allsino Biopharmaceutical Co., Ltd. | www.sinopep.com |
| SinoRefine Co., Ltd. | www.sinorefine.com |