On December 13th, Dongfeng Motor Co., Ltd. Commercial Vehicles Corporation Sales and Marketing Headquarters and Yaan Sichuan Tonggong Special Purpose Vehicle Co., Ltd. formally signed a cooperation agreement for the commissioned modification of special vehicles . In October 2008, Dongfeng Motor Corporation and Ya'an City reached a preliminary agreement on the cooperation of special vehicle modification cooperation projects and spare parts products, and signed a cooperation agreement on "Investment Briefing for Sichuan Province and Ya'an City Post-disaster Reconstruction (Hubei)". Since then, the two sides have cooperated closely to strengthen communication and contact. On December 13, 2009, the company signed a commissioned modification cooperation agreement. Dongfeng Motor Company will cooperate with Sichuan Tonggong Special Purpose Vehicle Co., Ltd. for special vehicle modification business. Machining manufacturing industry, especially automobile parts manufacturing industry, is a traditional advantageous industry in Ya'an City, and it is also one of the pillar industries in Ya'an City that are currently focused on development. This cooperation will effectively promote the rapid development of the automobile industry in Ya'an. plastic Products making machine Greenst Machinery Co., Ltd. , http://www.nbgreenstmachinery.com