Zhejiang Jiulong Machinery Co., Ltd. Is a high-tech enterprise specializing in the research and development, production and sales of auto parts. The main products are: rocker arm assembly, flywheel housing, crankcase, gear cover, cylinder cover, chain cover, oil pan, EGR valve, brake, stamping parts, high-strength bolts, etc. are provided for large-scale well-known OEMs at home and abroad.