Maijin-China's Premier Provider of Custom High-Tolerance CNC Parts for Global High-Tech Industries.

MaiJin Precision CNC Battery Door - Custom OEM/ODM

Imagine a sunlit workbench where a technician snaps a MaiJin Precision CNC Battery Door into place — the machined edge catching the light and promising a perfect fit. Crafted for OEM/ODM customization, it brings whisper-precise tolerances, a silky latch feel, and rugged protection that turns ordinary devices into premium experiences. From prototype to production, this tailored door elevates your design with refined craftsmanship and dependable performance you can feel at first touch.

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Product features

The MaiJin Precision CNC Battery Door is machined with precision cnc turning parts and multi-axis CNC milling to deliver tight tolerances, precise fit, and integrated sealing bosses for secure battery housing and straightforward installation. Available in SUS 316, titanium and alloy steels with electro-polish or custom finishes, it leverages patented clamping fixtures, OEM/ODM flexibility and ISO 9001:2015-backed production to meet automotive and aerospace reliability standards. Its weight-optimized ribs, precision threads and smooth mating surfaces reflect MaiJin’s experienced R&D and 24-hour technical response, enabling durable, high-volume manufacturability trusted by OEMs like BMW, Ford and Bosch.

We serve

We serve OEMs, designers and aftermarket brands with precision CNC battery doors engineered for fit, finish and function. From prototype to volume production we offer customized dimensions, materials, and surface treatments (anodizing, polishing, powder coating), strict quality control, and turnkey assembly. Our team provides rapid prototyping, CAD review, tooling, flexible MOQs, transparent pricing and reliable lead times. We protect your IP with NDAs and offer global logistics, warranty support and responsive technical service to ensure seamless integration into your product lines. Partner with us for durable, attractive, and manufacturable battery doors tailored to your brand and volume requirements, globally available.

Why choose us

We serve precision-driven OEM/ODM partnerships for the MaiJin Precision CNC Battery Door, delivering custom CNC machining, strict material selection, and tight tolerances to meet demanding device specifications. Our services include rapid prototyping, engineering support for design-for-manufacture, surface finishing options, and scalable production with low minimum order quantities. Quality assurance employs in-line inspection and functional testing to ensure durability and fit. We offer flexible lead times, transparent pricing, and global logistics support, protecting IP through confidentiality agreements. Focused on reliability and responsiveness, we aim to shorten development cycles and provide battery doors that enhance product performance and user experience worldwide satisfaction.

FAQ

1.What type of parts does MaiJin Metal service make? What services do you offer?

We manufacture custom metal and plastic parts from bar or tube stock to the highest standards of quality and precision. We provide CNC Swiss machining, CNC turning and milling, and two types of centerless grinding.

2.What can I expect when I work with MaiJin Metal service?

You can expect what all of our customers expect: quality parts, timely delivery, and exceptional customer service. We love what we do, and we think it shows!

3.What is the smallest part you can make? What is the largest part you can make?

The short answer is “it depends.” Things like your needs, part complexity, the type of manufacturing, and many other factors are at play. In general, we can machine parts with minor outside diameters (ODs) as small as 2mm (0.080”) and major ODs as large as 200mm (8”). If you’re looking for help nailing down those factors, we encourage you to contact our technical sales staff early in the design cycle so we can review your part and provide insight and assistance.

Advantages

1.Strong engineering and technical team is committed to the improvement of technology and research and development which has been awarded a number of patents. R&D assists in the realization of difficult products and optimization of clamping devices to improve the production efficiency of mass products, greatly reducing the manufacturing cost and enabling customers to obtain more advantageous product prices.

2.Operating since 2006

3.OEM/ODM services

4.Courage to challenge Many factories don’t want to produce some difficult material like SUS 316, Titanium, pure iron, alloy steel, but we got very interested in that and have finished lots of these parts. At the same time, we are also very glad to accept those difficulty and high precision parts, every challenge will take us to obtain more abundant processing experiences.

About MaiJin Metal

Our products are sourced by BMW, Ford and Bosch OEM/ODM services | 24-hour response time | ISO 9001:2015-certified Operating since 2006 ShenZhen MaiJin Metal Works Co., Ltd. was founded in 2006. We have built up a good reputation for quality, service and reliability. With highly trained our sales people, experienced technical sales engineers and customer focus management systems, we have achieved the stable sales record at the forefront of our industry in providing high quality products and services to our customers. Wide Range of Products to Choose from Our core products range include: CNC machining parts, CNC milling parts, CNC turning parts, turned parts, non standard fasteners, thread stud,socket screw, jack screw, Standoffs, Precision Screw, Machine Parts, and Inserts for plastics, Shafts, Pin, Screws, Nuts, Spacers etc. Mainly applied industry: 1. aerospace 2. shipping industry 3. automotive 4. electrical 5. telecommunication 6. Oil & Gas 7. Medical and Dental 8. Hydraulics

Company Introduction

ShenZhen MaiJin Metal Works Co., Ltd. is an enterprise with 16 years of production,import and export business management experience.We are mainly engaged in technology development,production & sales of cnc machining parts, cnc milling parts, turned parts, fasteners.Our product market throughout the world & our main customers are come from all over the world.Our products are advanced in technology, novel in style and various in variety.We have an after-sales team of R & D, production, installation,sales,big data management.

Product Introduction

MaiJin Precision CNC Battery Door - Custom OEM/ODM 2

FINISH.Electro Polish.

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Application .industry.Equipment.

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we welcome custom designs and ideas and is able to cater to the specific requirements. for more information, please visit the website or contact us directly with questions or inquiries.

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