This motorcycle main frame is integrally formed by precise bending and welding of high-strength alloy steel pipe. It features high structural rigidity, excellent toughness, strong load-bearing capacity, outstanding torsion resistance and impact resistance. It provides stable and reliable support for the engine, suspension, seat and body parts.Optimized with professional stress structure design, it effectively buffers road bumps and improves overall handling stability and riding balance.With electrophoretic anti-rust and powder coating double treatment, the frame is salt spray resistant, corrosion resistant and aging resistant. It adapts to harsh outdoor environments such as rain, humidity and sand, keeping free from rust, deformation and cracking in long-term use.Manufactured strictly according to OEM dimensions and mounting positions with precise hole layout, it fits perfectly and can be directly replaced without modification.Full and firm welding ensures high structural safety. Widely compatible with street bikes, off-road motorcycles and scooters.Available for mass production and bulk cross-border supply, it is an essential structural part for motorcycle assembly and aftermarket repair.
Company Site:
Yantai Zhongxin Intelligent Manufacturing Co., Ltd. is located in the coastal city of Yantai, offering exceptional transportation access. Leveraging Yantai Port – which exports substantial volumes of diverse automotive products globally – our 12,000-square-meter facility features dual workshops (north and south production zones).
Equipment Introduction
The company utilizes various models of stamping machines, resistance welding equipment, and arc welding workstations - all representing top-tier automotive industry assets. These systems have served automotive OEMs for over a decade. Through continuous equipment upgrades and automation initiatives, we meet customers' evolving quality requirements.
Company Advantages
• Certified Quality Systems: ISO 9000 & IATF 16949 certified with in-house qualified internal auditors
• Proven Expertise: Extensive experience in analogous product development
• Cost Efficiency: Competitive development cost structure
• End-to-End Services:
• Customization to client drawings
• Quotation consultation
• Prototype vehicle development
• Mass production and delivery
Quality Assurance
The company maintains a rigorous quality control system encompassing:
• Project development management
• PPAP process compliance
• SOP execution control
• Comprehensive end-to-end verification including:
• First-article inspection
• In-process gauging
• Last-article validation
• Outgoing quality control
Dedicated inspection tools are developed for both individual components and final assemblies to ensure dimensional stability throughout production.
Quality Assurance
The company maintains a rigorous quality control system encompassing:
• Project development management
• PPAP process compliance
• SOP execution control
• First-article inspection
• In-process gauging
• Last-article validation
• Outgoing quality inspection
This comprehensive full-process assurance system includes dedicated inspection tools developed for both individual components and final assemblies to ensure dimensional stability.
After-Sales Support
Our experienced technical support team ensures optimal product performance at client sites. We guarantee:
• Immediate response to all feedback and issues
• Continuous improvement through systematic implementation of requirements
• Full satisfaction of customer needs
Hot Tags: main body frame, China main body frame manufacturers, suppliers, factory
