Wellsun Group is a technological enterprise based on products research, develop and manufacture. It was consisted of two firms: Zhangjiagang Free Trade Zone Wellsun Machinery Industry Co. ,LTD、Zhangjiagang Wellsun Chemical Machine Co. ,LTD. Our company located in the National Exclusive Combination
of Region-Port Bonded Zone –Zhangjiagang Bonded Zone.
 Our company has already owned the certificate of ISO 9001:2000 Quality System and the certificate of ISO 14001:2004 Environment System. Meanwhile, we have introduced into the most advanced technology and machining equipment from foreign countries------