Zhengzhou Protech Mechanical Equipment Co., Ltd-owned by Protech(China) Holding Litmited, is founded by a group of technology enthusiastic people who are devoted to probing the newest technology and innovation in different fields, and serving various clients worldwide for its applications. We have our own manufacturing base factory as while as many sub-contracting factories, which enable us a reliable manufacturing ability and quality control system. Our team has rich experience in the ...