Chongqing ZC(Zhicheng) Machinery Co., Ltd.,Specializing in motorcycle cylinder head manufacturing,Takes the first place in the motorcycle cylinder head industry with annual production capacity more than 15 million pieces, supplying OEM services for most of the Giant motorcycle companies both in domestic china and abroad including Grand River Group, Qianjiang, Sundiro Honda, Jinan Qingqi, Jinan Qingqi Suzuki, Luoyang Beiyi, Nanjing Jincheng, Huadu Dayang, Tianma,Benma,Haili,Zongshen,Lifan,Jialing,Loncin,Guangyang(Taiwan),Yangguang,BMW(German),PIAGGIO(Italy),