A trusted manufacturer from Shenzhen, China — specializing in high-precision CNC machining, waterproof watch components, and custom metal parts for wearable tech and consumer electronics brands worldwide.
Founded in 2008 and headquartered in Shenzhen's premier manufacturing district, JH Manufacturing Solutions has spent over a decade perfecting the art of precision metal component manufacturing.
We specialize in watch components, smart wearables, consumer electronics, medical devices, and premium audio industries. Our factory spans 2,000 m² in Bao'an District, equipped with advanced multi-axis CNC machines.
We don't just make parts — we solve engineering challenges. Our track record includes numerous cases where we helped clients overcome high-precision manufacturing problems that others couldn't solve.
2,000 m² facility in Shenzhen with dedicated machining, finishing, and assembly zones.
Established 2008. A decade of precision metal component engineering.
Serving clients across North America, Europe, Southeast Asia, and the Middle East.
We collaborate closely with your engineering team from prototype to mass production.
From precision watch components to custom electronic enclosures — every part meets the highest standards of appearance, durability, and dimensional accuracy.
Precision buttons with 3ATM to 20ATM waterproof ratings. CD-finish, knurled, PVD-coated, and custom designs for traditional and smart watches.
High-gloss CD-textured deployant clasps and tang buckles. Custom logo engraving, gemstone setting, and multi-layer finishing available.
Custom waterproof buttons, connectors, and seals for smart wearables, GPS trackers, e-cigarettes, dive computers, and outdoor audio equipment.
Precision-machined housings, frames, buttons, and decorative metal parts for TWS earbuds, GPS trackers, premium audio amplifiers, and portable DACs.
High-precision metal parts for diagnostic equipment, surgical instruments, and wearable health monitors. Full traceability and strict process controls.
Turn-key custom metal parts per your drawings or samples. From single prototypes to 100,000+ production runs with full finishing and assembly.
Buttons, buckles, cases, and structural components for leading smartwatch brands.
Precision enclosures, knobs, and connectors for TWS earbuds, DACs, and amplifiers.
Waterproof housings and buttons for outdoor GPS trackers and marine equipment.
Corrosion-resistant components rated 10ATM–20ATM for professional dive gear.
Biocompatible precision parts for diagnostic and monitoring equipment.
Decorative and functional metal components with premium surface finishes.
Tsugami S205A and Shuofang 205 Swiss-type lathes for complex parts with micron-level precision.
Multi-spindle sliding headstock lathes for small-diameter, high-precision turned parts up to 20mm.
High-speed 4-head / 4-tool-carousel machines for CD pattern texturing and high-gloss chamfering.
Dedicated CD纹 machines producing consistent, visually striking concentric circle finishes.
Mirror polishing machines, vibratory tumblers, and ultrasonic cleaning for flawless surfaces.
Dedicated clean assembly workshop ensuring components arrive production-line ready.
Superior corrosion resistance. Ideal for watches, marine gear, and medical devices. EU-certified.
Excellent machinability for precision turned parts with tight tolerances.
Lightweight, biocompatible, corrosion-resistant. Preferred for premium watches and medical use.
Lightweight with excellent anodizing. Used in consumer electronics and wearable devices.
EU & US certified lead-free alloys. REACH / RoHS compliant.
Durable thin-film coating — gold, rose gold, black, gunmetal, and custom colors.
Hard and decorative anodizing with wide color palette. Excellent scratch resistance.
Signature concentric circle finish for a premium, high-end appearance.
Gold, silver, nickel, chrome, and custom alloy plating.
Satin, matte, and textured finishes. Linear and circular brushing patterns.
Precision logo marking, serial numbers, and decorative etching.
In-house gemstone and crystal setting for luxury components.
Color epoxy infill and raised embossing for logos and indicators.
Our engineers assess your drawings for manufacturability and suggest optimizations.
EU & US certified materials with full traceability documentation.
Multi-axis turning and milling to micron-level tolerances.
Polishing, coating, texturing, and decoration per specifications.
Component assembly, fitting, and functional testing in a clean workshop.
100% inspection on critical dims and waterproof testing before packaging.
Consistent processes from incoming material inspection to final shipment.
Every waterproof component pressure-tested at its rated ATM level.
Key tolerances verified with optical measurement and CMM equipment.
Full certification and batch traceability. REACH, RoHS documentation available.
Corrosion resistance verification for marine-grade and outdoor components.
Statistical sampling per AQL standards or your specified inspection criteria.
Our engineers thrive on challenging projects. We've repeatedly delivered solutions where others said "it can't be done."
Machining, finishing, assembly, and packaging under one roof — no need to manage multiple vendors.
From 100-piece prototypes to 100,000+ mass production. We scale with your needs.
Prototypes in 7–10 working days. Production lead times clearly communicated and consistently met.
Talk directly to the engineers making your parts — not through layers of sales intermediaries.
Your designs are your property. NDA available on request before sharing technical details.
"JH Manufacturing solved a 10ATM waterproof button challenge that three other suppliers couldn't figure out. Their engineering team worked directly with ours to iterate the design. Exceptional partner."
"We switched all our titanium watch buckle production to JH two years ago. Consistency is excellent, surface finish is flawless, and communication is always prompt and clear."
"Fast prototyping, competitive pricing, and quality that consistently passes our incoming inspection. They've become our go-to supplier for precision metal components."
Ready to discuss your project? Send us your requirements and we'll respond with a detailed quote within 24 hours.
info@jhmfg-solutions.com
719100677@qq.com
+86 138 2871 3080
+86 755 8981 0119 (Landline)
Building 3, Sanyi Industrial Park, No.108 Songhuan Road
Songgang Street, Bao'an District, Shenzhen
Guangdong, China 518105
Monday – Saturday, 8:00 AM – 6:00 PM (GMT+8)