Shandong Zhenting Jinggong Piston Co.,Ltd. manufactures engine pistons, piston pins, and circlips, offering end-to-end piston solutions backed by advanced inspection equipment and high-capacity production.
Shandong Zhenting Jinggong Piston Co.,Ltd. is a private-owned manufacturer specializing in pistons and related components for automobiles, motorcycles, general gasoline engines, diesel engines, compressors, and air-conditioning engines. The company supplies cast, die-cast, and forged aluminum pistons, along with piston pins, pin products, and circlips.
The business focuses on providing total solutions for engine pistons, with capabilities spanning complex piston geometries, profiled pin holes, and a range of surface treatments including tin plating, printed graphite, iron plating, nickel plating, ceramic plating, micro-arc oxidation, anodizing, and phosphating.
To support quality assurance and process control, the company is equipped with a broad set of physical and chemical inspection and measuring instruments, including direct-reading spectrometry, coordinate measuring systems, roundness measurement, hardness and roughness testing, microscopy, and non-destructive inspection equipment. It has established long-term cooperative relationships with a wide range of well-known domestic and international engine and vehicle companies, and its products are sold into overseas markets.
The company focuses on delivering professional, overall engine piston solutions, covering piston and pin production alongside supporting components such as circlips for integrated supply.
Circlips are produced for multiple structural forms, including C, G, double G, and special-shaped designs, with wire diameter under 3 mm.
The company is a designated production unit of pistons for Guobin vehicles.
Founded in July 1998 in Ningyang County, Tai’an City, Shandong Province.
The first fully automatic piston processing production line independently developed and designed was put into production.
ISO/TS16949:2009 was upgraded to IATF16949:2016.
The company was assessed as a high-tech enterprise.
Completed an automation upgrade and received a municipal industry and information technology award for machine substitution technology transformation.
A precision piston intelligent production line construction project reached production; the piston pin workshop moved into the new factory. The company passed ISO50001:2018 and ISO45001:2018 certification audits.
Rated as a green factory in Shandong Province, and recognized as a provincial gazelle enterprise and a Shandong well-known brand.
Rated as a national-level specialized new “little giant”, a Shandong Province technological innovation demonstration enterprise, and a Shandong quality brand.
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