In the rapidly advancing world of electric vehicles (EVs), precision and reliability are paramount. Ningbo Seipo Machinery Co., Ltd. stands at the forefront of these innovations, offering unparalleled expertise in aluminum die casting and precision machining to empower the EV industry. Our story is one of precision, reliability, and commitment to quality.
Excellence in EV Enclosure Manufacturing
Our flagship product, the OEM New Energy Car Charger Aluminum Alloy Die Casting for Shell, is a testament to our dedication to quality and innovation. With a monthly supply capacity of 100,000 units, Seipo ensures that the growing demands of the EV market are met with efficiency and precision.

Our enclosures, manufactured through high-pressure die casting (HPDC) technology, accommodate the industry's need for lightweight yet robust materials. Utilizing top-grade aluminum alloys such as ADC12 and A380, we achieve dimensions with precision up to ±0.05mm and a sleek surface finish with a roughness of Ra≤1.6μm.
Comprehensive Solutions and Superior Service
Seipo's commitment doesn't end at manufacturing. We provide a comprehensive suite of services including design optimization, CNC precision machining, and diverse surface treatments. Our CNC machines, capable of ±0.02mm precision, allow us to offer integrated solutions such as antenna slots, waterproof structures, and thermal management designs.
Our surface treatment options, including anodizing and electrophoretic coating, ensure that our products not only meet aesthetic desires but also provide functional enhancements like EMI shielding and IP67 level sealing.
Empowering Innovations Across Industries
Our enclosures and services are not confined to the automotive industry alone. We serve a diverse range of sectors including consumer electronics, telecommunications, and medical devices. Each industry benefits from our lightweight designs, high EMI shielding efficiency, and strict adherence to standards like the IATF 16949.
Our collaboration with giants like Huawei and DJI highlights our capability in delivering high-quality, reliable products that support innovative advancements in technology.
Why Choose Seipo?
With over a decade of experience and a robust quality assurance framework, including ISO 9001 and IATF 16949 certifications, Seipo is a trusted partner in the manufacturing sector. We leverage our expertise to reduce costs for our clients, offering products that are competitively priced 15-20% below market averages.
Located in Ningbo, China, our strategic position near the Beilun Port ensures efficient logistics and supply chain management, enabling us to meet tight deadlines with an average delivery time of 45 days.
For personalized solutions and to learn more about how Seipo can enhance your projects, contact us today via phone at +86 13003774020 or email us at harry@seipo.cn.