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Longkou Longtai Machinery Co., Ltd.
Professional Manufacturer of Industrial Gearboxes & Mining Equipment in Shandong, China
Mining Equipment
Heavy Duty Reducers
Crusher Parts
Custom Machining
OEM & ODM
Address: Longkou City, Yantai, Shandong Province, China
Founded: 2005 | Enterprise Type: Manufacturing Enterprise | Status: Active
Customized Solutions
High Precision
Wear Resistant
Global Export
Company Overview
Established in 2005, a professional manufacturer focusing on industrial gearboxes, heavy duty reducers and mining equipment for more than 18 years.
Located in Longkou, Yantai, Shandong Province, a well-known industrial base in northern China with convenient port transportation.
Specialized in R&D, production and sales of speed reducers, gearboxes, crusher parts and customized machined components.
Adopts high-strength alloy steel, carburizing and quenching process to ensure product durability and reliability.
Provides comprehensive solutions for mining, cement, steel, power generation and heavy industries.
Products widely used in material handling, crushing, grinding, conveying and industrial automation worldwide.
Core Products
| Category | Main Equipment | Features | Applications |
|---|---|---|---|
| Industrial Gearboxes | Helical gearbox, bevel-helical gearbox, planetary reducer | High torque, low noise, compact design, high efficiency | Conveyors, mixers, crushers, mills |
| Mining Crusher Parts | Jaw crusher plates, cone crusher liners, hammer heads, impact bars | Wear resistant, high strength, customized manganese steel | Mining crushing, quarrying, aggregate processing |
| Heavy Duty Reducers | Shaft mounted reducer, hollow shaft reducer, gear motor | Heavy load capacity, stable operation, long service life | Belt conveyors, bucket elevators, rotary kilns |
| Custom Machined Components | Gears, shafts, bearings housings, flanges | Precision machining, strict tolerances, OEM service | Various industrial machinery |
Production Equipment
• CNC horizontal and vertical machining centers
• Precision gear hobbing and gear grinding machines
• Heat treatment furnaces (carburizing, quenching, tempering)
• Forging and casting production lines
• CMM (Coordinate Measuring Machine) and hardness testers
• Full-load performance testing equipment for reducers
Quality & Certifications
ISO9001:2015 certified quality management system.
100% dimensional inspection and load testing before shipment.
Raw materials sourced from qualified domestic steel mills with certificate.
Complete quality traceability system from raw material to final product.
Professional quality control team with over 10 years of experience.
Third-party inspection available upon customer request.
Technical Advantages
– Experienced R&D team specializing in gear transmission and mining equipment design.
– Advanced finite element analysis (FEA) for structural optimization.
– Proprietary heat treatment technology to enhance gear surface hardness and wear life.
– Precision machining with tolerances up to 0.01mm.
– Custom design capability for non-standard applications and harsh environments.
– Continuous investment in new technology and equipment to improve product performance.
Cooperation & Trade Terms
MOQ: 10 pieces (standard parts) / 1 set (customized assembly)
Lead Time: 15-30 working days for standard products
Payment Terms: T/T 30% deposit, 70% before shipment; L/C at sight accepted
Delivery Terms: FOB Qingdao, EXW Longkou, CIF available
Warranty: 12-18 months warranty + lifelong technical support
Packing: Standard export wooden case with rust-proof and shock-proof packaging
Service & Support
Free technical consultation and product selection based on customer requirements.
OEM/ODM service: custom design according to drawings or samples.
Online installation guidance and remote troubleshooting support.
24/7 after-sales hotline and email support.
Sufficient spare parts inventory for quick delivery.
Regular maintenance training for overseas distributors.
Market & Customers
Long-term cooperation with domestic mining and cement machinery OEMs.
Products sold to all major industrial provinces in China.
Exported to Southeast Asia, Middle East, Africa, South America and Europe.
Supplied 500 sets of planetary reducers to a cement plant in Indonesia in 2024, fully satisfied with performance.
Provided customized crusher liners for a gold mine in Ghana in 2025, significantly improved wear life by 30%.
High reputation and long-term cooperation with global customers.
Why Choose Us?
18+ years of professional experience in industrial gearbox and mining equipment manufacturing.
Factory direct sales with competitive pricing and high cost-performance.
High quality products with strict quality control and long service life.
Strong customization capability to meet diverse customer needs.
Complete export service and professional after-sales support.
Reliable delivery time and long-term partnership commitment.