Zhengzhou Shuangying (Win-Win) Machinery Co., Ltd., reorganized from the former Zhengzhou Mining Machinery Factory and established in 1956, is an integrated company specialized in the research, development and manufacture as well as foreign trade business of crushing equipment, screen apparatuses, mine-selecting facilities and abrasion resistance materials in collaboration with five science research institutes respectively. Our company processes a processing workshop for cast iron/steel and heat treatment, a cold processing workshop for unwinding, rolling, punching and reverting structural...