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Dongying Changhui Precision Metal Co., Ltd

Specializing in stainless steel precision casting, polishing, and electro-polishing. Trusted supplier of marine hardware, valves, pipe fittings, and custom machine parts to global markets.

About Us

A trusted manufacturer based in Dongying, China, delivering high-quality precision metal components worldwide.

Company Profile

Dongying Changhui Precision Metal Co., Ltd is located in Dongying, where the Yellow River flows into the sea — also the hinterland of Shengli Oil Field, the second-largest oil field in China. Our strategic location offers excellent logistics access, with Qingdao Port just three hours away.

We specialize in stainless steel precision casting, polishing, and electro-polishing. Our main products include marine hardware, valves, pipe fittings, and machine parts. Over 90% of our production is exported to markets in America, Europe, Japan, and other industrialized regions.

Learn more on our official site →

Why Choose Us?

  • • Precision casting with tight tolerances and high surface finish
  • • ISO-compliant quality control and inspection processes
  • • Custom OEM/ODM services for unique project needs
  • • Experienced team with over 15 years in metal manufacturing
  • • Fast turnaround and reliable global shipping

Our Products

High-performance marine and industrial hardware crafted with precision and durability in mind.

Cleat

Cleat

Stainless steel marine cleat for secure mooring and docking applications.

Drink Holder

Drink Holder

Durable marine-grade drink holder designed for boats and yachts.

Hook

Hook

Heavy-duty stainless steel hook for rigging and load-bearing marine use.

Outrigger Tip

Outrigger Tip

Precision-cast outrigger tip for fishing and sport boats.

Handle

Handle

Ergonomic marine handle with anti-slip finish for safety and comfort.

Hatch Lock

Hatch Lock with Lifting Ring

Secure hatch lock with integrated lifting ring for easy access and transport.

Flash Cleat

Flash Cleat

Low-profile cleat for fast line release in high-speed marine environments.

Steering Wheel

Steering Wheel

Stainless steel marine steering wheel with polished finish and ergonomic grip.

Swivel Hasp

Swivel Hasp

Rotating hasp for secure fastening with flexibility in alignment.

Five-Way Fitting

Five-Way Corner Fitting

Multi-directional corner connector for complex rigging systems.

Door Stop

Door Stop Catcher

Reliable door stop mechanism to prevent slamming in marine cabins.

Antenna Base

Antenna Base

Stable stainless steel base for marine communication antennas.

Technology & Quality

Advanced manufacturing techniques and rigorous quality control ensure every product meets international standards.

Precision Manufacturing

We utilize state-of-the-art stainless steel precision casting technology, allowing us to produce complex shapes with excellent dimensional accuracy and surface finish.

Our capabilities include CNC machining, polishing, and electro-polishing — ensuring corrosion resistance and aesthetic appeal for marine environments.

  • • Investment casting (lost wax process)
  • • CNC machining centers
  • • Surface polishing & electro-polishing
  • • Material testing and certification

Quality Assurance

Every product undergoes strict inspection at multiple stages — from raw material selection to final packaging.

We follow ISO standards and conduct dimensional checks, visual inspections, and mechanical testing to ensure reliability and performance.

Certifications & Compliance

Our processes meet international requirements for marine and industrial applications. Material traceability and test reports available upon request.

Latest News

Stay updated with company announcements and industry insights from Dongying Changhui.

December 26, 2023

Warmly Congratulate Dongying Chang Hui Precision Metal Co., Ltd.

Celebrating continued growth and excellence in precision metal manufacturing for marine and industrial sectors.

April 26, 2024

打击整治网络谣言普法宣传

Legal awareness campaign against online rumors — promoting truth and integrity in digital communication.

December 26, 2023

Luxury Yacht Accessories Upgrade

Exploring next-gen luxury yacht accessories, including submarine integration for deep-sea exploration.

Get in Touch

Reach out to us for inquiries, quotes, or custom manufacturing solutions.

Contact Information

Visit Our Official Website

For detailed product catalogs, technical specifications, and inquiry forms, please visit our official website.

Visit Official Website

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