About Us Shijiazhuang Hongfa Internal Combustion Engine Fittings Co.,Ltd specialized in produce various engine valve since 1990, which collects together research and development(R&D), production and sale.Our factory covers an area of 20,000 square meters, with advanced technology and production processes,strict testing measures to ensure better product quality. After more than 20 years effort, Our factory has rich experience in manufacturing the diesel engine valves and have been one of the biggest engine valve factory in china.Our factory owns hundreds of advanced special equipments, Introduced technique from Japaneses Fuji,Using electric upsetting, double metal friction welding, blasting, chrome, solution heat treatment, forming grinding, polishing spiral, mirror polishing, and other advanced technology to ensure excellent quality and reliable performance. The valve surface using Stellite or Ni-base alloy welding process, the stem using nitrogen gas gasification process, high precision, and wear resistance, our quality has reached domestic leading level!We produce OEM engine valve for CHONGQING Commins, DONGFENG Commins, Deutz engine,WXDEW, WEICHAI diesel Engine,DONGAN Mitsubishi,BYD,CHEY,JAC AUTO,Exported to the United States, Italy, Britain, Russia, Bulgaria, Estonia, Argentina and other countries,Produce OEM Engine valve for many overseas Company.We can also provide custom design and manufacturing services for developing custom engine valves. We are committed to partnering with our customers to offer rapid development, prototyping and pilot production of engine valves tailored to each customer's specific needs.Our factory insists in the high,new,and professional developing way, takes"improving continuously to create top products" as tenet, and provide high qualified products and service for clients in time. We hereby express our thanks to all the friends that help and support us so many years! We also wish can enlarge our cooperation in the near future!