Tangshan City Rockcheck Steel Co., Ltd.                          Renovation contract

Shandong Fulun Steel Company Limited                             Renovation contract 

Laiwu Jiuyang welfare iron.                                      Renovation contract

Tangshan iron and Steel Group New Business Development Co. Ltd.

Manufacturing industry

Henan Sanmenxia Xinhua Hydraulic Machinery Co., Ltd.              Matching

Heavy coal machine Co., Ltd.                                      Matching

CERI (Xiangtan)                                                   Matching 
Zhengzhou Water Conservancy Machinery Factory                     Matching