- Shanghai Maocheng Auto Parts Co., Ltd.
- Address:Rm. 518, House 1, No. 10, Shanxi Road, Xiaokunshan Town, Songjiang District
- Guangzhou Hongyi Equipment Co., Ltd.
- Address:No.12 Shuangye Rd, Guwe, Panyu
- Hangzhou Xinya Petrochemical Co., Ltd.
- Address:Jinqiao Industral park
- Ningbo Rotchi Business Co., Ltd.
- Address:Room No.503, Guangboguomao Building,No.1357 Road Yinxiandadao,Yinzhou
- Shanghai Human Composite Material Co., Ltd.
- Address:Room 611, Youth square, No.2680,Rd Humin , Minhang District, Shanghai
- BMT(Tianjin) International Trade Co., Ltd.
- Address:Gooden Apartment International 10-1-918
- Grand Precision Industrial Ltd.
- Address:No. 8, 3rd Street, Muhejing Industrial Area, Gangkou Town
- Anneng Chemical (Diaobingshan) Co., Ltd.
- Address:Room 1508 Yashige, No.8,4 Jia,North Four West Road,Tiexi District
- Luoyang Bearing Science And Technology Co., Ltd.
- Address:jinlin road
- DALIAN BOXI TECHNOLOGY CO. LTD
- Address:Dalian China
- Chongqing Fason Purification Equipment Co., Ltd.
- Address:A1-7-4, No.58, Shipingqiao Road, Jiulongpo District
- Zhuji City Fengzhichen Machinery Co., Ltd.
- Address:(Wujiata Ziran Village), North Community Of Diankou Town,Zhuji City
- Guangzhou Rimao Bearing Co., Ltd.
- Address:Room.210,Yanglin business center , NO.48 Nanzhou Road , Haizhu District
- Hangzhou Derunbao Grease Co., Ltd.
- Address:No.80 Tianzhu Street, Economic Development Zone, Lin'an Hangzhou
- China National Air Separation Plant Co., Ltd.
- Address:4Floor, Qianjiang Building, No. 2031, Jiangling Road, Binjiang District
- Shanghai Erhe Machines Co., Ltd.
- Address:#88-26-501, No. 5600 Road, Minhang District, Shanghai, P.R. China
- Zhongshan Witkey Daily-Use Co., Ltd.
- Address:No.2,Xihuan 6 Road, South Town
- Donghao Oil Group Co., Ltd.
- Address:980 Jiatang Raod, Jiading District, Shanghai, China
- Tianjin Soright Technology & Development Co., Ltd.
- Address:101, Unit 4, Bldg. 39, Sunshine Garden District 5, Dagang Oilfield
- Patricia Lubricants (Shanghai) Limited
- Address:4th Factory,No.530,Huicheng Road, Nanhui Industrial Park,Pudong New District,Shanghai