- Sino-nsh Purifier Manufacture Co.Ltd
- Address:NanQiaoSi,JiangBei District,ChongQing PRC Chongqing Chongqing 400021 China
- ZN Oil Filtering Machine Co.,Ltd
- Address:No.18 Jiulong po Dist.Chongqing Chongqing Chongqing 400039 China
- Chongqing ZN Oil Purifier Manufacture CO.,LTD
- Address:NO.101 Huoju Street, Jiulong Industrial Park, Jiulongpo District Chongqing Chongqing 400039 China
- Shandong Kai Tai Industrial Technologies Co., Ltd
- Address:QINGYANG TOWN, ZOUPING COUNTRY Binzhou Shandong 256217 China Binzhou Shandong 256217 China
- Guangzhou REALM Energy-saving Equipment Co.,LTD
- Address:NO.1 Zhuliao Industrial Zone, Zhuliao Avenue,Baiyun district Guangzhou Guangdong 510545 China
- Nantong Xinnengyuan Company
- Address:nantong city young road 105number Nantong Jiangsu China