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Laizhou Longfa Machinery Co., Ltd.
Professional Manufacturer of Hydraulic Components & Engineering Machinery Parts in Shandong, China
Engineering Machinery Parts
Construction Machinery
Hydraulic Pumps
Valves & Fittings
OEM & ODM
Address: Laizhou City, Shandong Province, China
Founded: January 8, 2010 | Enterprise Type: Manufacturing Enterprise | Status: Active
OEM & ODM Accepted
High Strength
Wear Resistant
Global Export
Company Overview
Established in 2010, a professional manufacturer focusing on hydraulic components and engineering machinery parts for over 15 years.
Located in Laizhou, Shandong Province, an important machinery and equipment manufacturing base in northern China.
Specialized in R&D, production and sales of hydraulic cylinders, hydraulic pumps, valves, and engineering machinery structural parts.
Adopts high-quality alloy steel and advanced heat treatment technology to ensure product durability and reliability.
Provides customized solutions for various heavy-duty applications in construction, mining, and industrial fields.
Products widely used in excavators, loaders, cranes, mining machinery and hydraulic systems worldwide.
Core Products
| Category | Main Equipment | Features | Applications |
|---|---|---|---|
| Hydraulic Cylinders | Double-acting cylinder, telescopic cylinder, tie-rod cylinder, welded cylinder | High pressure resistance, good sealing, long stroke, smooth operation | Excavators, loaders, forklifts, agricultural machinery |
| Hydraulic Pumps | Gear pump, piston pump, vane pump, variable displacement pump | High efficiency, low noise, stable flow, long service life | Hydraulic power units, industrial machinery, mobile equipment |
| Hydraulic Valves | Directional valve, pressure valve, flow valve, proportional valve | Precise control, reliable performance, easy installation and maintenance | Hydraulic systems, machine tools, automation equipment |
| Engineering Machinery Parts | Bucket, arm, boom, track frame, undercarriage parts | High strength, wear resistant, anti-deformation, custom size available | Excavators, loaders, bulldozers, crawler cranes |
Production Equipment
• CNC machining centers and precision turning and milling equipment
• Automatic welding robot and welding production lines
• Heat treatment furnace and quenching tempering equipment
• Forging and casting processing facilities
• Precision testing instruments such as coordinate measuring machine and hardness tester
• Full-function hydraulic test bench for finished product performance testing
Quality & Certifications
Strict quality control system covering incoming raw material inspection to finished product delivery.
100% function and pressure test before shipment to ensure product qualification.
Adopts high-quality alloy steel and international standard raw materials.
Comply with ISO9001:2015 quality management system certification.
Complete quality traceability system for all export products.
Professional quality inspection team to ensure stable and reliable quality.
Technical Advantages
– Professional R&D team with more than 15 years of experience in hydraulic and mechanical parts design.
– Advanced heat treatment technology to improve part wear resistance by more than 40%.
– Precision machining technology to ensure high dimensional accuracy and interchangeability.
– Modular design for easy installation, replacement and overseas maintenance.
– Customizable size, material, surface treatment and performance according to customer requirements.
– Continuous technical optimization for demanding working conditions like mining and construction.
Cooperation & Trade Terms
MOQ: 10 pieces (standard parts) / 1 set (custom assemblies)
Lead Time: 10-20 working days for standard products
Payment Terms: T/T 30% deposit, 70% before shipment; L/C at sight accepted
Delivery Terms: FOB Qingdao, CIF, EXW Laizhou available
Warranty: 12 months warranty + lifelong technical support
Packing: Standard export wooden case with moisture-proof and shockproof treatment
Service & Support
Free technical consultation and product selection guidance for global customers.
Customized design and production based on customer drawings and samples.
Online installation guidance and remote technical training available.
24/7 online after-sales service and technical support.
Sufficient spare parts inventory for fast international delivery.
Long-term after-sales service and regular maintenance guidance.
Market & Customers
Long-term cooperative suppliers for domestic construction machinery and hydraulic system manufacturers.
Products sold to all major industrial provinces in China.
Exported to Southeast Asia, Middle East, Africa, South America and Russia.
Supplied 300 sets of hydraulic cylinders to a construction company in Thailand in 2024, with over 12 months of trouble-free operation.
Cooperated with a mining equipment distributor in South Africa to provide customized hydraulic pump solutions in 2025.
Won high recognition and long-term cooperation from global customers.
Why Choose Us?
15+ years of professional experience in hydraulic and engineering machinery parts manufacturing.
Factory direct sales with competitive price and high cost performance.
High-quality products with wear resistance, high strength and long service life.
Strong customization capacity to meet various project requirements.
Complete export service and perfect after-sales support system.
Stable delivery time and reliable long-term partnership.