Nanpi Haokai Hardware Products Co., Ltd., strategically located near the Bohai Sea and adjacent to the Beijing-Shanghai Expressway, is a distinguished private enterprise specializing in the design and production of metal products. With over two decades of continuous innovation and development, we have established ourselves as a prominent player in the hardware manufacturing industry. Our product range includes precision stamping parts, high-precision instrument turning parts, and injection-molded parts, among others. This article delves into our expertise as a plastic inner casing manufacturer, highlighting our production capabilities, quality standards, and the diverse applications of our products.

Advanced Production Facilities and Technical Expertise
At Nanpi Haokai, we pride ourselves on our state-of-the-art production facilities and a team of highly skilled professionals. Our workforce comprises over 70 employees, including 16 technicians and 7 senior technicians, ensuring that every aspect of our production process is handled with precision and expertise. We boast a comprehensive range of modern processing equipment, including 30-250 ton stamping machines and over 30 CNC, automatic lathes, and injection molding machines. This advanced setup enables us to offer integrated services from design to after-sales support, ensuring a seamless experience for our clients.
Our commitment to innovation is reflected in our continuous investment in new technologies and equipment. By staying abreast of the latest advancements in the industry, we are able to enhance our production efficiency and maintain a competitive edge. This dedication to technological progress has allowed us to expand our product portfolio and cater to a wider range of customer needs.
Quality Assurance and ISO Certification
Quality is the cornerstone of our operations at Nanpi Haokai. We adhere to the ISO 9001:2015 quality management system standards, ensuring that every product we manufacture meets the highest quality benchmarks. Our rigorous quality control processes encompass every stage of production, from raw material inspection to final product testing. This meticulous approach guarantees that our plastic inner casings are durable, reliable, and perform optimally in their intended applications.
Our adherence to international quality standards has earned us the trust and recognition of clients both domestically and abroad. By consistently delivering high-quality products, we have established long-term partnerships with numerous large enterprises across various industries. Our commitment to quality is not just a standard but a promise to our customers, ensuring their satisfaction and loyalty.

Custom Plastic Inner Casing Production
One of our core strengths lies in our ability to offer custom plastic inner casing production services. We understand that different industries and applications have unique requirements, and our flexible manufacturing capabilities allow us to tailor our products accordingly. Whether it’s adjusting the material, dimensions, or surface finish, we work closely with our clients to ensure that the final product meets their exact specifications.
Our custom production services are supported by a team of experienced engineers and designers who leverage their expertise to optimize product designs for manufacturability and cost-effectiveness. This collaborative approach ensures that our clients receive not only a product that fits their needs but also one that is efficient to produce and offers long-term value.
Applications Across Industries
Our plastic inner casings find applications across a wide range of industries, including new energy, automotive, electrical appliances, medical equipment, instruments, and machinery manufacturing. The versatility of our products stems from their ability to be customized to suit specific environmental conditions and usage scenarios. For instance, in the automotive industry, our plastic inner casings are used to protect sensitive electronic components from moisture and dust, ensuring reliable performance even in harsh conditions.
In the medical equipment sector, our casings are designed to meet stringent hygiene and safety standards, providing a sterile environment for critical components. Similarly, in the new energy industry, our products are engineered to withstand extreme temperatures and pressures, contributing to the efficient and safe operation of renewable energy systems.
| Industry | Application | Benefit |
|---|---|---|
| Automotive | Protecting electronic components | Enhanced durability and reliability |
| Medical Equipment | Providing a sterile environment | Compliance with hygiene standards |
| New Energy | Withstanding extreme conditions | Ensuring safe and efficient operation |
FAQ
What materials are used in the production of your plastic inner casings?
We use a variety of high-quality materials, including cold-rolled iron, stainless steel, aluminum alloy, and copper, among others. The choice of material depends on the specific application and environmental conditions the casing will be exposed to.
Can you customize the dimensions and design of the plastic inner casings?
Yes, we offer full customization services for our plastic inner casings. Our team works closely with clients to understand their requirements and design casings that meet their exact specifications in terms of dimensions, shape, and other features.
How do you ensure the quality of your plastic inner casings?
We adhere to the ISO 9001:2015 quality management system standards and implement rigorous quality control processes at every stage of production. This includes raw material inspection, in-process quality checks, and final product testing to ensure that every casing meets our high-quality standards.
What industries do your plastic inner casings serve?
Our plastic inner casings are used across a wide range of industries, including new energy, automotive, electrical appliances, medical equipment, instruments, and machinery manufacturing. The versatility of our products allows them to be adapted to various applications and environmental conditions.

Do you offer after-sales support for your plastic inner casings?
Yes, we provide comprehensive after-sales support to ensure that our clients are satisfied with our products. This includes addressing any issues or concerns that may arise, providing technical assistance, and offering replacement or repair services if necessary.
What is the lead time for custom plastic inner casing production?
The lead time depends on the complexity of the customization and the order quantity. However, we strive to deliver our products within the shortest possible time frame without compromising on quality. Our efficient production processes and skilled workforce enable us to meet tight deadlines.
Can you provide samples of your plastic inner casings before placing a bulk order?
Yes, we offer sample production services to allow clients to evaluate the quality and suitability of our plastic inner casings before placing a bulk order. This helps ensure that the final product meets their expectations and requirements.
What surface finishes are available for your plastic inner casings?
We offer a variety of surface finishes, including plating with tin, zinc, and other metals, as well as polishing and other treatments. The choice of surface finish depends on the specific application and the desired aesthetic and functional properties of the casing.
Summary
Nanpi Haokai Hardware Products Co., Ltd. stands out as a premier manufacturer of plastic inner casings, offering a combination of advanced production facilities, technical expertise, and a commitment to quality. Our ability to provide custom production services allows us to cater to the unique needs of clients across various industries, ensuring that our products are not only functional but also cost-effective and durable. With our ISO 9001:2015 certification and a track record of delivering high-quality products, we are well-positioned to serve as a reliable partner for businesses seeking top-notch plastic inner casings. Whether you require standard or customized solutions, Nanpi Haokai is your go-to manufacturer for all your plastic inner casing needs.