Sihong (HB Fuel Injection) was founded in June 1969 and is located in Suqian, Jiangsu. It is a professional manufacturer of oil nozzle and oil pump with a deep historical accumulation. The company covers an area of 63000 square meters with a building area of 52000 square meters, and has a modern production base and a complete production system. SIHONG always adheres to quality and has successfully passed ISO9001, ISO14001, and IATF16949 automotive parts quality management system certifications, ensuring excellent product performance and reliability. Our core products include oil pumps, injectors, fuel injectors, plungers, and delivery valves, which are widely used in the automotive and internal combustion engine fields. They are not only popular throughout the country, but also exported to more than 20 countries and regions such as Myanmar, Thailand, Singapore, Pakistan, and Vietnam, winning the trust of global customers.