Wuxi Chunfa Hydraulic Machinery Co., Ltd.
Overview
Founded in 2003, Wuxi Chunfa Hydraulic Machinery Co., Ltd. is a
modern enterprise integrating production and sales. We specialize
in the manufacture of honed tubes, hydraulic cylinders, hollow piston rods, precision
slender shafts, and hydraulic piston rods for a wide range of industrial applications.
Main Products
1. Honed Cylinder Tubes & Cylinder Blocks
Specifications: inner diameter Φ32–700 mm, wall thickness 2–50 mm, length ≤ 13,000
mm
Processes: cold drawing, honing, and precision machining
Applications: hydraulic cylinders, pneumatic cylinders, petrochemical pumps,
coal mine support, construction machinery, heavy transport
machinery, automotive drive shafts, plastic machinery, and more
2. Precision Slender Shafts & Piston Rods
Specifications: outer diameter Φ6–500 mm, length ≤ 12,000 mm
Types: hydraulic piston rods, pneumatic piston rods, guide rods, guide
posts, guide shafts
Applications: textile machinery, mining equipment, automotive components, shock
absorbers, printing and dyeing equipment, printing machines,
die-casting machines, injection molding machines, four-column
hydraulic presses, office equipment, and other industries
Recent Performance & Markets
In recent years, our products have been well recognized for both high product quality and reliable after-sales service.
Selected products are exported to Europe, the United States, and Southeast Asia.
Corporate Philosophy & Management
We uphold the principles of Integrity, Innovation, Precision, and Service, with the motto “Integrity First, Customer Supreme.”
A rigorous management system
Advanced production equipment
Complete testing instruments
These ensure reliable product quality and stable customer
satisfaction.
Location & Scale
Location: Yangshan Town, Wuxi, on the scenic shore of Taihu Lake
Transportation: ~30 minutes to Wuxi Airport and Wuxi Railway Station
Factory Size: 7,000 m²
Employees: 30+ skilled staff
Core Advantages
1. Full Industrial Chain Integration
Integration of R&D, production, and sales
End-to-end self-controlled process, from raw materials to delivery
In-house optimized cold drawing and high-precision polishing
processes
2. Advanced Manufacturing Technology
Three-stage process: cold drawing → precision grinding →
high-precision polishing
Surface roughness Ra ≤ 0.2 μm, meeting ISO standards
Enhanced wear resistance and corrosion resistance
Service life extended by ~30% compared with conventional products
3. Customization & Fast Response
Requirement analysis tailored to customer applications
Rapid prototyping and small-batch trial production
Full-process customized services to meet diverse needs
Product Highlights
High-Precision Piston Rod Series
Materials: 45# steel, 42CrMo, 35CrMo, bearing steel, stainless steel, 40Cr
alloy steel
Heat Treatment: HRC 28–32; tensile strength ≥ 850 MPa
Surface Treatments:
Chrome Plating: thickness 0.03–0.05 mm, hardness HV 850–1100; corrosion resistance
proven by 720-hour salt spray test with no rust
Roller Burnishing: surface hardness +50%, fatigue life up to 3× longer
Applications:
Excavator booms, crane telescopic arms, and other high-load
conditions
Achieves precision control within ±0.05 mm
Commitment
Wuxi Chunfa is committed to being a long-term and reliable partner in the hydraulic industry—providing world-class piston rods, honed tubes, and precision shafts with:
Consistent quality
On-time delivery
Professional service
