Piston Pin
Factory

Plant Overview

Our factory produces solid piston pins for heavy‑duty truck, construction machinery and generator engines. Full‑in‑house production covers raw material inspection, precision turning, carburizing quenching, tempering and super‑finishing. Internal lab conducts dimension, hardness and metallographic tests. We support both mass production and OEM customization.

Core Differentiators

01 Premium Alloy‑Steel Raw Material

Heavy-load grade alloy steel with strict incoming inspection on chemical composition and microstructure.

02 Precision Turning & Super‑Finishing

Precision turning for stable tolerance. Multi‑stage super‑finishing delivers ultra‑smooth surface, lower friction with piston and bushing.

03 Controlled Carburizing Heat‑Treatment

Controlled carburizing achieves wear‑resistant hard surface and tough inner core. Resists cyclic impact, preventing fracture under heavy-duty conditions.

Get Your Customized Piston Pin Solution

Though small, piston pins vary in diameter, length and carburizing requirements across engine models. Tell us your model and we will custom-make to OEM specs or your optimized requirements.
Simply tell us:

① Your target engine model
② Application
③ Your requirement
We will respond within 2 working hours.

+86-751-8989905

info@henweit.com

No.4, Gantang Fifth Road, Gantang Industrial Park, Wujiang District, Shaoguan city, Guangdong

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