Nanpi Haokai Hardware Co., Ltd., strategically located near Bohai Bay and adjacent to the Beijing-Shanghai Expressway, has established itself as a leading custom metal parts manufacturer in China over the past two decades. Specializing in precision stamping components, CNC machined parts, and non-standard metal hardware solutions, the company serves diverse industries including new energy, automotive, electronics, medical equipment, instrumentation, and machinery manufacturing.
Core Manufacturing Capabilities
The company’s 5,000-square-meter production facility houses over 60 advanced machines including 30+ stamping presses ranging from 30 to 250 tons, and 30+ CNC machining centers including automatic lathes and injection molding machines. This comprehensive equipment park enables complete in-house production capabilities from design to post-processing.
A dedicated technical team of 23 professionals, including 16 engineers and 7 senior technicians, ensures all projects receive expert attention. The company’s ISO 9001:2015 certification guarantees consistent quality management across all production stages, from raw material inspection to final product testing.
The production process follows strict quality control protocols at each stage: incoming material inspection, first-article inspection, in-process quality control, and final product inspection. This systematic approach ensures all custom metal parts meet international quality standards and customer specifications.
Custom Metal Stamping Solutions
As a specialized metal stamping manufacturer, Nanpi Haokai produces high-precision stamped components with tolerances as tight as ±0.01mm. The company’s metal shovel series exemplifies their stamping expertise – these one-piece formed products feature reinforced structures, smooth surfaces, and pre-drilled mounting holes that eliminate secondary processing requirements.
The stamping capabilities cover various materials including cold-rolled steel, stainless steel, aluminum alloy, and copper. Typical applications include:
- Industrial equipment components
- Automotive stamping parts
- Electrical connector housings
- Medical device components
- Instrumentation brackets
Minimum order quantities start from 1,000 pieces for standard products, with flexible production arrangements for both prototype development and mass production. The company’s rapid tooling development capability enables sample delivery within 7-15 days for most stamping projects.
Precision CNC Machining Services
The CNC machining division specializes in producing high-precision brass connectors and other metal components with tolerances down to ±0.005mm. The brass connection rod series demonstrates the company’s machining capabilities – these one-piece formed components feature precise dimensions, smooth surfaces, and excellent electrical conductivity.
Key CNC machining advantages include:
- Multi-axis machining centers for complex geometries
- Automatic tool changers for efficient production
- In-process measurement systems for real-time quality control
- Support for various materials including brass, copper, aluminum, and steel
- Surface treatment options like tin plating, zinc plating, and polishing
Typical CNC machined products include electrical connectors, automotive components, new energy equipment parts, medical instrument fittings, and electronic terminals. The company’s engineering team works closely with customers during the design phase to optimize parts for manufacturability and cost efficiency.
| Capability | Specification |
|---|---|
| Machining Accuracy | ±0.005mm |
| Surface Roughness | Ra0.8μm |
| Material Support | Brass, Copper, Aluminum, Stainless Steel, etc. |
| Max Processing Size | 800mm × 600mm × 500mm |
Non-Standard Metal Component Customization
Nanpi Haokai excels in producing custom metal components that meet specific application requirements. The company’s precision knurled zinc-plated sleeves demonstrate this capability – these non-standard parts feature precise knurling patterns for improved grip and zinc plating for corrosion resistance.
The customization process follows these key steps:
- Requirement analysis and feasibility study
- Material selection and process optimization
- Prototype development and testing
- Mass production setup and quality planning
- Continuous improvement based on customer feedback
Typical custom projects include specialized brackets, unique connector housings, and application-specific hardware components. The company’s engineering team uses advanced simulation software to validate designs before production, reducing development time and costs for customers.
Quality Assurance System
The company’s ISO 9001:2015 certified quality management system covers all aspects of production: incoming material inspection, in-process quality control, final product testing, and packaging verification. Key quality control measures include:
- Spectral analysis for material composition verification
- Coordinate measuring machines (CMM) for dimensional inspection
- Surface roughness testers for finish evaluation
- Salt spray testing for corrosion resistance validation
- Tensile testing for mechanical property verification
All inspection records are maintained for traceability, and statistical process control (SPC) methods are applied to critical production processes. The company’s quality department conducts regular internal audits to ensure continuous improvement of the quality system.
FAQ
What is the minimum order quantity for custom metal stamping parts?
Our minimum order quantity starts from 1,000 pieces for standard products. For custom designs, we can accommodate smaller quantities depending on the complexity of the part and tooling requirements. We offer flexible production arrangements to support both prototype development and mass production needs.
How long does it take to develop custom tooling for stamping projects?
Typical tooling development time ranges from 7 to 15 days for most stamping projects, depending on part complexity and our current production schedule. We maintain a well-equipped tooling workshop that enables us to respond quickly to customer requests while maintaining high quality standards.
What materials can you process for CNC machined components?
Our CNC machining capabilities support a wide range of materials including various grades of brass (C26000, C27000, etc.), copper alloys, aluminum alloys (6061, 7075, etc.), stainless steel (303, 304, 316), and engineering plastics. We can recommend the most suitable material based on your application requirements.
How do you ensure dimensional accuracy for custom metal parts?
We implement multiple quality control measures throughout the production process: incoming material inspection, first-article inspection, in-process quality control using precision measuring tools, and final product inspection with CMM where required. Our ISO 9001:2015 certified quality system ensures consistent adherence to specifications.
Can you provide surface treatment services for metal components?
Yes, we offer various surface treatment options including zinc plating, nickel plating, tin plating, chrome plating, anodizing, polishing, brushing, and powder coating. Our surface treatment processes comply with international standards like RoHS and REACH, and we can provide certification upon request.
What industries do your custom metal parts serve?
Our products serve diverse industries including automotive, electronics, new energy, medical equipment, instrumentation, machinery manufacturing, and industrial equipment. We have extensive experience in producing components for these sectors and understand their specific quality and performance requirements.
How do you handle design modifications during production?
We maintain open communication channels with customers throughout the production process. If design modifications are needed, our engineering team evaluates the feasibility and impact on production schedule immediately. We provide detailed change notices and obtain customer approval before implementing any modifications.
What is your lead time for mass production orders?
Standard lead time for mass production is 3-4 weeks after sample approval, depending on order quantity and production complexity. We maintain adequate raw material inventory and production capacity to ensure timely delivery, and can expedite orders when necessary through our flexible production scheduling system.
Do you provide packaging solutions for shipped products?
Yes, we offer customized packaging solutions based on product characteristics and transportation requirements. Standard packaging includes bubble wrap, foam inserts, and cardboard boxes for small parts, with wooden cases available for larger or more delicate components. We can also design special packaging per customer specifications.
How do you ensure product consistency across multiple production batches?
We implement strict process control measures including standardized operating procedures, regular equipment calibration, and operator training. Our quality system maintains detailed production records for each batch, enabling traceability and facilitating continuous improvement efforts to maintain consistent product quality.
Summary
Nanpi Haokai Hardware Co., Ltd. stands as a reliable partner for custom metal parts manufacturing, combining two decades of industry experience with advanced production capabilities and rigorous quality control. The company’s comprehensive service portfolio covering precision stamping, CNC machining, and non-standard component customization enables it to serve diverse industrial applications effectively.
With a strategic location near major transportation routes, a well-equipped production facility, and a team of experienced professionals, Nanpi Haokai delivers competitive solutions that meet international quality standards. The company’s commitment to continuous improvement and customer satisfaction has earned it long-term partnerships with leading enterprises across multiple industries.
For businesses seeking customized metal components with reliable quality and efficient production, Nanpi Haokai offers a proven solution that combines technical expertise, manufacturing capabilities, and responsive service to support their success in global markets.