Located in the heart of China’s Bohai Economic Rim, Nanpi Haokai Hardware Products Co., Ltd. has established itself as a premier manufacturer of custom metal components since its founding in 2003. With strategic proximity to Beijing-Shanghai Expressway (just 1km away), our 3,000㎡ production facility houses 30+ precision stamping machines (30-250 tons) and 30+ CNC machining centers, enabling us to deliver high-quality metal parts with exceptional efficiency. Our technical team comprising 16 engineers and 7 senior technicians ensures every component meets stringent international standards.
Core Manufacturing Capabilities
Our vertically integrated production system covers the complete lifecycle from design to after-sales service. The ISO 9001:2015 certified quality management system governs every production stage, ensuring consistent part quality across batches. Key equipment includes:
- 30+ precision stamping presses (30-250 tons) with automatic feeding systems
- 15 CNC turning centers and 8 Swiss-type CNC lathes for high-precision machining
- 12 injection molding machines (80-300 tons) for plastic component production
- In-house tooling workshop with EDM and wire cutting machines
- Comprehensive testing facilities including CMM, projectors, and salt spray chambers
This equipment array enables us to achieve ±0.02mm machining tolerance and maintain 99.8% on-time delivery rate for orders ranging from prototype development to mass production runs exceeding 500,000 pieces monthly.
Product Portfolio & Technical Specifications
Our product range addresses diverse industrial requirements through three main categories:
1. Precision Stamping Components
Specializing in complex deep-drawn parts, our metal shovels exemplify our stamping expertise. Manufactured from single metal sheets through progressive die stamping, these components feature:
- Material options: Cold-rolled steel, stainless steel 304/316, aluminum 6061, brass H62
- Thickness range: 0.5-6mm with customizable reinforcement ribs
- Surface treatments: Zinc plating, powder coating, anodizing, passivation
- Typical applications: Industrial equipment, agricultural machinery, construction tools
For automotive connectors, our precision-stamped brass terminals achieve 0.1mm pitch accuracy with consistent contact resistance below 20mΩ. The automated production line maintains 99.95% yield rate through real-time SPC monitoring.
2. CNC Machined Components
Our Swiss-type CNC lathes produce complex turned parts with ±0.005mm tolerance. The brass connecting rods demonstrate our machining capabilities:
- Material versatility: Brass C3604, phosphor bronze C5191, aluminum 7075
- Surface finishes: Electroless nickel plating, gold plating, black oxide
- Key dimensions: Diameter 2-50mm, length up to 300mm
- Testing protocols: 100% dimensional inspection, salt spray test (48/72hrs)
For medical devices, we manufacture stainless steel components with Ra0.4μm surface finish through multi-axis machining and electropolishing. Each batch includes material certificates and inspection reports compliant with ISO 13485 standards.
3. Custom Injection Molded Parts
Our engineering plastics division produces high-precision molded components using 300-ton injection machines. The PA66+GF30 connector housings showcase our capabilities:
- Material options: PBT, PC/ABS, PPS, LCP with 15-50% glass fiber
- Molding processes: Insert molding, overmolding, gas-assisted injection
- Quality control: In-mold pressure monitoring, gate trimming automation
- Certifications: UL94 V-0 flame rating, RoHS/REACH compliance
For automotive applications, we develop PPS components capable of withstanding -40°C to +240°C temperature ranges with less than 0.1% dimensional change after thermal cycling tests.
Industry-Specific Solutions
Our engineering team develops customized solutions for complex applications across multiple industries:
| Industry | Typical Components | Special Requirements |
|---|---|---|
| Automotive | Battery connectors, sensor housings | -40°C to +150°C resistance, IP67 sealing |
| Medical Devices | Surgical instrument parts, diagnostic equipment components | Biocompatibility certification, ETO sterilization compatibility |
| Renewable Energy | Solar panel mounting brackets, wind turbine components | Corrosion resistance, UV stabilization |
| Industrial Automation | Robotic arm joints, CNC machine fixtures | High load capacity, vibration damping |
For a leading European EV manufacturer, we developed aluminum battery connector housings that reduced assembly time by 40% through integrated snap-fit features. The component’s liquid silicone rubber overmolding provides IP68 protection while maintaining 5,000 mating cycle durability.
Quality Assurance System
Our ISO 9001:2015 certified quality management system implements comprehensive control measures:
- Incoming material inspection with spectrometer analysis
- In-process inspection using CMM and vision systems
- Final audit with 100% dimensional check for critical dimensions
- Batch traceability through QR code labeling system
- Continuous improvement via 8D root cause analysis
For automotive customers, we provide PPAP documentation including control plans, FMEA analysis, and SPC charts. Our medical device components comply with ISO 13485 requirements with complete validation documentation for each production run.
FAQ
What is your minimum order quantity for custom metal components?
Our MOQ starts at 500 pieces for standard components and 1,000 pieces for custom designs. We accept prototype orders as low as 10 pieces for design verification, with additional tooling cost allocation.
How do you ensure component quality consistency?
We implement statistical process control (SPC) at critical manufacturing stages, with real-time monitoring of key parameters. Each production batch includes material certificates, inspection reports, and sample retention for 3 years.
What lead time should I expect for new product development?
Typical timeline: 2-4 weeks for tooling development + 1-2 weeks for sample validation + 3-5 weeks for mass production. Expedited services available for urgent orders with priority scheduling.
Can you provide components with specific material certifications?
Yes, we source materials from accredited suppliers with complete traceability. Common certifications include SGS RoHS/REACH reports, UL material certifications, and medical-grade material declarations.
How does your company handle design changes during production?
We maintain flexible production lines to accommodate engineering changes. All modifications undergo formal ECN (Engineering Change Notice) procedures with impact analysis on cost, lead time, and quality documentation updates.
Summary
Nanpi Haokai Hardware stands as a trusted partner for global manufacturers requiring precision metal components. Our 20+ years of industry expertise, combined with ISO-certified processes and advanced manufacturing capabilities, enable us to deliver solutions that meet the most demanding specifications. From automotive connectors requiring 0.01mm precision to industrial components withstanding extreme environments, our engineering team transforms customer concepts into production-ready components with exceptional efficiency. Contact us today at +86-XXX-XXXXXXX or sales@haokaihardware.com to discuss your custom metal component requirements.