Doing Group owns Henan Oil Mechanical Equipment Co., Ltd, Project Technology Company, Xinxiang Renewable Energy and Xinxiang Leeyn Co.,Ltd.
Doing have been specialized in all kinds of oil equipment researching, designing, manufacturing, selling and installing.
Our ...
Telephone:86-371-56771821
Address:4th Floor,Building 18,Area A,Yingxie Garden,Zhengzhou City, Henan Province. China
Our company is a business enterprise group. We have an international trading company, five manufacturing factories and two subsidiaries. The Group has wide product scope including office supplies, hardware, machinery, additives, etc.
Our the subsidiary which located in capital city of ...
Telephone:86-371-63358710
Address:4009, Huakai Building, 21 Jingqi Road
China Chongqing Tongrui Filtration Equipment Manufacturing Co., ltd is a very professional and famous manufacturer in oil purifier industry, we have the unique technology formula which most advanced world . Our products as follows : 1. Insulating 1.1. Series ZJB: vacuum insulation 1.2. ...
Telephone:86-132-28691490
Address:Hu Zhu Industrial Park,Dadukou Distinct,Chongqing, chongqing, chongqing, China