In the realm of industrial manufacturing, precision and customization are paramount. Nanpi Haokai Hardware Products Co., Ltd., strategically located near Bohai Bay and adjacent to the Beijing-Shanghai Expressway, stands as a beacon of excellence in the metal products design and production industry. With over two decades of relentless innovation and development, the company has carved a niche for itself, particularly in the customization and bulk supply of high-precision plastic inner casings.

Precision and Customization: The Core of Our Business
At Nanpi Haokai Hardware, we understand that every industrial application demands unique specifications. Our core business revolves around the customization of plastic inner casings, catering to a wide array of industries including new energy, automotive, electrical appliances, medical equipment, instrumentation, and mechanical manufacturing. Leveraging our state-of-the-art production equipment and a team of seasoned professionals, we ensure that each product meets the highest standards of precision and quality.
Our product range encompasses precision stamping parts, CNC machined components, and injection-molded parts, all of which can be tailored to meet specific client requirements. Whether it’s adjusting the material, dimensions, craftsmanship, or appearance, we have the capability to deliver bespoke solutions that seamlessly integrate into our clients’ production processes.
Advanced Production Facilities and Technical Expertise
The backbone of Nanpi Haokai Hardware’s success lies in its advanced production facilities and technical prowess. With over 70 employees, including 16 technicians and 7 senior technicians, we boast a formidable workforce dedicated to pushing the boundaries of innovation. Our arsenal includes 30-250 ton stamping equipment, CNC lathes, automatic walking core machines, and injection molding machines, totaling over 30 units. This diverse range of machinery enables us to handle complex production tasks with ease, ensuring consistent quality across all product lines.
Moreover, our commitment to quality is unwavering. We have implemented and adhere to the ISO9001:2015 quality management system standard, ensuring that every product that leaves our facility meets international benchmarks. This dedication to quality has earned us the trust and recognition of numerous domestic and international enterprises, with whom we have forged long-lasting partnerships.

Diverse Product Offerings and Customization Capabilities
One of our flagship products is the metal shovel, a precision stamping part that exemplifies our commitment to quality and innovation. Crafted from a single piece of sheet metal through integrated stretching and bending processes, this shovel is devoid of any splices or welds, ensuring robustness and durability. Its built-in reinforcing ribs, smooth arc铲面, and standard mounting holes facilitate effortless material handling and assembly, eliminating the need for secondary processing by clients and thereby reducing production costs.
Another standout product is the brass connecting rod, a CNC machined masterpiece known for its precise dimensions, smooth surface, and excellent conductivity. Made from high-quality brass, it offers superior resistance to oxidation and corrosion, making it ideal for use in connectors, automotive parts, new energy equipment, medical instruments, and electrical terminals. Clients can also opt for alternative materials such as phosphor bronze, red copper, aluminum, and iron, along with custom surface treatments like tin plating, zinc plating, and polishing.
Non-Standard Customization and Bulk Supply
At Nanpi Haokai Hardware, we pride ourselves on our ability to cater to non-standard customization requests. Whether it’s a unique design, specific material requirements, or unconventional dimensions, our team of experts is equipped to handle it all. We understand that every client has unique needs, and our flexible production capabilities allow us to adapt to these requirements seamlessly.
For clients seeking bulk supply, we offer competitive pricing and efficient production schedules to ensure timely delivery without compromising on quality. Our extensive inventory and streamlined production processes enable us to meet large-scale orders with ease, making us the preferred choice for clients looking for reliable and cost-effective solutions.
| Product Feature | Description |
|---|---|
| Material Options | Cold-rolled iron, stainless steel, aluminum alloy, copper, etc. |
| Customization Capabilities | Dimensions, structure, appearance, surface treatment, etc. |
| Production Process | Integrated stretching and bending, CNC machining, injection molding, etc. |
| Quality Assurance | ISO9001:2015 certified, rigorous quality control measures |
FAQ
What materials can be used for custom plastic inner casings?
At Nanpi Haokai Hardware, we offer a wide range of material options for custom plastic inner casings, including cold-rolled iron, stainless steel, aluminum alloy, copper, and various plastics. Clients can choose the most suitable material based on their specific application requirements, such as corrosion resistance, conductivity, and strength.
Can you customize the dimensions and structure of plastic inner casings?
Absolutely. We specialize in non-standard customization and can tailor the dimensions, structure, and appearance of plastic inner casings to meet our clients’ unique needs. Our team of experts works closely with clients to understand their requirements and deliver bespoke solutions that exceed expectations.
What surface treatment options are available for plastic inner casings?
We offer a variety of surface treatment options to enhance the durability and aesthetics of plastic inner casings. These include zinc plating for corrosion resistance, tin plating and nickel plating for improved conductivity, and polishing for a smooth, professional finish. Clients can choose the most appropriate surface treatment based on their application requirements.
How do you ensure the quality of custom plastic inner casings?
Quality is our top priority at Nanpi Haokai Hardware. We have implemented and adhere to the ISO9001:2015 quality management system standard, ensuring that every product that leaves our facility meets international benchmarks. Our rigorous quality control measures include in-process inspections, final inspections, and testing to guarantee consistent quality across all product lines.

What is your production capacity for custom plastic inner casings?
With over 30 units of advanced production equipment and a team of over 70 skilled employees, we have the capacity to handle large-scale orders efficiently. Our streamlined production processes and extensive inventory enable us to meet bulk supply requirements without compromising on quality or delivery times.
Can you provide samples before placing a bulk order?
Yes, we offer sample production services to help clients evaluate the quality and suitability of our custom plastic inner casings before placing a bulk order. Our team works closely with clients to understand their requirements and deliver samples that accurately reflect the final product.
What is your lead time for custom plastic inner casings?
Our lead time for custom plastic inner casings varies depending on the complexity of the order and our production schedule. However, we strive to deliver orders as quickly as possible without compromising on quality. Our team provides regular updates on the production progress and works closely with clients to ensure timely delivery.
Do you offer after-sales support for custom plastic inner casings?
Absolutely. We are committed to providing exceptional after-sales support to our clients. Our team is available to address any concerns or issues that may arise after delivery, ensuring that our clients are completely satisfied with their purchase.
How can I get a quotation for custom plastic inner casings?
Getting a quotation for custom plastic inner casings is easy. Simply contact our sales team with your specific requirements, including material, dimensions, quantity, and any customization needs. Our team will provide a detailed quotation based on your requirements, along with information on lead times and production capabilities.
Why should I choose Nanpi Haokai Hardware for custom plastic inner casings?
Nanpi Haokai Hardware stands out as a trusted and reliable manufacturer of custom plastic inner casings due to our commitment to quality, innovation, and customer satisfaction. With over two decades of experience in the industry, advanced production facilities, and a team of skilled professionals, we have the capability to deliver bespoke solutions that meet and exceed our clients’ expectations.
Summary
Nanpi Haokai Hardware Products Co., Ltd. is a leading manufacturer of custom plastic inner casings, offering high precision, diverse material options, and non-standard customization capabilities. With a commitment to quality and innovation, we have earned the trust and recognition of numerous domestic and international enterprises. Our advanced production facilities, skilled workforce, and rigorous quality control measures ensure that every product that leaves our facility meets international benchmarks. Whether you’re looking for bulk supply or bespoke solutions, Nanpi Haokai Hardware is your trusted partner for all your plastic inner casing needs.