Oriental Carbon & Chemicals Limited
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
Shantou New Oriental Hotel Amenities Co.,Ltd
Eastern oriental Resources sdn bhd
Hebei Ruitong Carbon Co.,Ltd
Guangzhou carbon-fluorine new material Co;Ltd
Jiangxi Bairui Calcium Carbonate Co., Ltd
Oriental Chemical Ltd
Carbon Clean Solutions Pvt Ltd
Oriental group
Chenguang Maoyuan Hydrocarbon Resin Co.,Ltd.
HeBei Oriental Industry Co., Ltd
Zuoyun Longshan Activated Carbon Co.,Ltd
HeBei Oriental Industry Co., Ltd
Oren Haydrocarbons
Jiangxi Bairui Calcium Carbonate Co Ltd
Shanxi Gobon Activated Carbon Co., Ltd. ( GC )