Established in 2015, Hunan Hongyu Intelligent Manufacturing Co., Ltd., as a state-level high-tech enterprise, is dedicated to the R&D, production, and sales of surface modification technology and precision parts. Equipped with machining and PIP surface treatment workshops for shaft parts, it is specialized in providing integrated solutions encompassing corrosion resistance, wear resistance, high precision, and long service life for various ferrous metal parts.

R&D technology

Programmable Ion Permeation (PIP) technology

Application scenarios

National defense and military industry, rail transit, engineering machinery, petroleum equipment, coal mining machinery, agricultural machinery, and mold, etc.

Sample cases

Military equipment, lining steel back for high-speed rail braking system, hydraulic piston rod, pin roll, tools for oil exploration, auto parts, and die-casting dies for engines, etc.