With the cooperation of Yangtze River Water Conservancy Commission, we started to provide fans, air ducts, grouting plugs and chemical grouting for the construction of Three Gorges Dam, Wujia Dam, Xiangjiaba Dam, Baihetan Dam and so on.

Investment attraction back to Yancheng to build factories, and Sichuan University Polymer Institute of production and research cooperation, the production of flexible materials, derived from deep processing of ventilation ducts, tent fabrics, and packaging materials

Germany Herrenknecht Group Chengdu, Guangdong company to establish cooperation (shield machine manufacturers)

Become France Bouygues Group (309 of the world's top 500) Asia-Pacific region designated supplier, responsible for the provision of ventilation ducts, packaging materials.

Become the sole supplier of ventilation ducts in the Asia-Pacific region of Germany CFH, responsible for providing soft ducts, and packaging materials.

Establish cooperation with China University of Petroleum, complete the technological innovation on the field, and become the supplier of ventilation ducts for mainland China, Hong Kong, Macao and Taiwan of Atlas Trading Co., Ltd.

Become the designated supplier of ventilation ducts and tarpaulins for Shanghai Waigaoqiao Shipbuilding Co., Ltd. under the China Shipbuilding Co., Ltd.

Become the designated supplier of ventilation ducts and protective cloths for Zhenhua Heavy Industries, China Merchants Heavy Industries under the Merchants 2020

Participated in the manufacturing of ventilation pipes for the first and second phases of the Sichuan-Tibet Railway, the drinking water of the Ehe River in Xinjiang, the pumped storage, the Huizhou Nuclear Power Station and other projects.