Phillips Carbon Black Ltd.
Alexandria Carbon Black Company SAE
Loker Hydrocarbon Institute, USC
Ningxia Biyuan Activated Carbon Co.,Ltd
Ningxia Huiheng activated carbon Sales Co. Ltd.
Pingdingshan Sanji Carbon Co., Ltd
Chevron Phillips Chemical Co
Hebei Ruitong Carbon Co.,Ltd
Guangzhou carbon-fluorine new material Co;Ltd
Jiangxi Bairui Calcium Carbonate Co., Ltd
Carbon Clean Solutions Pvt Ltd
Chenguang Maoyuan Hydrocarbon Resin Co.,Ltd.
Zuoyun Longshan Activated Carbon Co.,Ltd
Oren Haydrocarbons
Jiangxi Bairui Calcium Carbonate Co Ltd
Shanxi Gobon Activated Carbon Co., Ltd. ( GC )
Carbon-Ukraine, ltd.
Hynowa Hydrocarbon Resin Co.,LTD
Huzhou Qiangma Carbon Molecular Sieve Co.,Ltd.
Beilum Carbon Chemical Limited
Advanced carbon Organic Pharm Co., Ltd.