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TURNKEY FINISHING

In-House Surface Finishing & Modular Assembly

From Raw CNC Parts to Anodized, Screen-Printed, and Box-Build Tested Hardware.

JYH Prototype provides full turnkey manufacturing. We do not just machine bare parts; our in-house surface finishing and assembly facilities handle bead blasting, Type II/III anodizing, powder coating, electroplating, laser engraving, threaded insert installation, and mechanical sub-assembly.

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MIL-A-8625 Type II / III Anodizing
Laser Engraving & Pad Printing
Full Mechanical Box-Build
Corporate Competencies & Governance

Precision Engineering Built on Transparency

Shenzhen Jinyihe Technology Co., Ltd. operates with total manufacturing clarity, certified quality systems, and complete legal compliance for global Tier-1 OEMs.

Certified Anodizing Lines

Type II cosmetic and Type III hardcoat anodizing with consistent Pantone color matching and 50+ HRC hardness.

Precision Bead Blasting

Automated pressure blasting with #80 to #220 glass beads and ceramic media for uniform satin finishes.

Sub-Assembly & Hardware Insertion

Pneumatic installation of PEM nuts, Helicoil thread inserts, dowel pins, O-rings, and heat-stake inserts.

Laser Serialization & UDI

High-speed fiber laser marking of 2D DataMatrix barcodes, serial numbers, and custom enterprise logos.

Detailed Corporate Engineering Deep Dives

Inside Shenzhen Jinyihe Precision Manufacturing

Explore how our engineering teams, certified cleanroom facilities, advanced multi-axis CNC machines, and strict quality metrology labs guarantee consistent results.

ARTICLE 01 Cosmetic Perfection: Mastering Type II Color Anodizing and Hardcoat Type III
Technical Deep Dive

Cosmetic Perfection: Mastering Type II Color Anodizing and Hardcoat Type III

ARTICLE 02 Automated Bead Blasting: Achieving Uniform Ra 0.8µm Matte Textures
Technical Deep Dive

Automated Bead Blasting: Achieving Uniform Ra 0.8µm Matte Textures

ARTICLE 03 Hardware Press-In Insertion: Installing PEM Fasteners and Helicoil Inserts
Technical Deep Dive

Hardware Press-In Insertion: Installing PEM Fasteners and Helicoil Inserts

ARTICLE 04 Turnkey Box-Build Assembly: Functional Testing & Custom Retail Packaging
Technical Deep Dive

Turnkey Box-Build Assembly: Functional Testing & Custom Retail Packaging

Ready to Partner with a Certified Precision Manufacturer?

Whether you need a dedicated plant audit, NDA-protected prototyping, or volume serial manufacturing, our Shenzhen engineering teams are standing by.

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Factory QA & Customer Governance

Frequently Asked Questions

Direct answers to client questions regarding our legal status, factory audits, non-disclosure agreements, and global shipping.

Yes. We maintain spectrophotometric color measurement records (CIELAB ΔE < 1.0) to ensure exact color consistency lot-to-lot.
Type II (10–25µm) is primarily cosmetic with moderate scratch resistance. Type III (35–50µm) creates a glass-hard surface (55–65 HRC) for extreme wear and dielectric resistance.
Yes. We maintain complete inventories of metric and imperial PEM fasteners, helicoils, O-rings, and brass threaded inserts.
Yes. We provide ASTM B117 salt spray test reports certifying up to 720 hours of corrosion resistance on anodized and passivated parts.
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Shenzhen High-Tech Industrial Park
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