Mcwell once signed contract of natural ventilator for Chongqing Weichai Phase II Project with China National Machinery Industry Fourth Construction Engineering Co., Ltd.

Based on the friendly cooperation with Mcwell in the first phase of Weichai's transformation project, CMC Fourth Construction chose to cooperate with Mcwell again when the natural ventilator project for Weichai's welding workshop. CMC Fourth Construction is one of the large state-owned construction enterprises established in my country. It is affiliated to China National Machinery Industry Corporation, and is a wholly-owned subsidiary of China National Machinery Industry Construction Corporation.

China Machinery Fourth Construction is very attentive to every ridge ventilator project. In the first cooperation with Weichai's modified project, China Machinery Fourth Construction conducted a more comprehensive online and offline investigation. The requirements for roof vents and various services are strict. As the first party of this project, China Machinery Fourth Construction chose Mcwell not only because of Mcwell's influence in the ventilator market, but also because of the Mcwell's quality and service.