Hebei Hangyue Precision Parts Manufacturing Co., Ltd. is located in Jingzhou County, Hebei Province—within the Beijing-Tianjin-Hebei integrated development zone. The company occupies an area of approximately 50,000 square meters, with a factory floor space of 20,000 square meters. Leveraging research resources from institutions such as Tsinghua University, the University of Science and Technology Beijing, and the China Academy of Railway Sciences, the company established an "Academician and Expert Workstation" at its Beijing headquarters in 2019, comprising three specialized research institutes. It holds national invention patents for the manufacturing of valves and valve seats and has participated in revising industry standards for China State Railway Group, specifically the "Technical Conditions for Diesel Engine Valves in Internal Combustion Locomotives" and "High-Strength Bolts for Diesel Engines in Internal Combustion Locomotives."
Its core product portfolio includes valves and valve seats for internal combustion engines with cylinder bores ranging from 135mm to 450mm, as well as critical fasteners (such as connecting rod bolts, main bearing bolts, and cylinder head bolts) and a full range of standard and non-standard pins, nuts, bolts, and structural components. These products are widely used in sectors including defense, railways, the petroleum industry, shipbuilding, and aerospace. The company possesses core metallurgical technologies such as vacuum horizontal continuous casting; it operates three specialized production lines equipped with over 200 units of production and testing machinery. It has achieved certification under five major quality management systems, including GJB9001C (defense equipment) and IATF16949 (automotive industry).
The company has established long-term partnerships with industry leaders such as CRRC Dalian Locomotive, CRRC Ziyang Locomotive, CRRC Datong Electric Locomotive, CRRC Chengdu Electric Motor, Weichai Power, Yuchai Machinery, CNPC Jinan Diesel Engine, Shengdong Group, Norinco Shanxi Diesel Engine Industry, Norinco Chongqing Huxi Electric Motor Industry, and Shanghai GKN Drive Line. It has repeatedly been recognized as an "Excellent Supplier" by companies such as Jinan Diesel Engine, Weichai, and Shanxi Diesel Engine. Upholding the philosophy of "crafting premium products and providing sincere service," the company remains deeply committed to the field of precision parts manufacturing.
