Improve corrosion resistance, surface hardness, and dimensional consistency with precision electroless nickel plating for complex metal components.


Electroless nickel plating forms a nickel-phosphorus coating through a controlled chemical reduction reaction. The typical manufacturing sequence includes:
Electroless Nickel Plating Specifications

Electroless Nickel Plating
Electroless nickel plating is an autocatalytic chemical surface treatment process that deposits a nickel-phosphorus alloy coating onto a metal substrate without using an external electrical current.
CNC Machining/Sheet Metal Fabrication/Stamping
Aluminum Alloy, Brass, Stainless Steel, XM-19 Stainless Steel
Electroless Nickel Platingpros
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Advanced Surface Finish Options for CNC Machined Parts
Longwang provides multiple surface treatments to improve function, aesthetics, and long-term performance of precision components.

As Machined
Standard finish, surface roughness of 3.2 μm (126 μin), removes sharp edges and deburs parts cleanly.

Tumbling
Utilizes barrel or vibratory processes with abrasives to smooth and polish the surface of parts.

Heat Treatment
Alters the physical (and sometimes chemical) properties of a material to achieve desired mechanical properties.

Alodine
Chemical treatment process providing corrosion protection and surface preparation for paint adhesion.
Surface Treatment Resources
Guides, design tips, and best practices for efficient, high quality surface treatment.

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Your Comprehensive Metal Manufacturing Solution Provider
We offer both rapid prototyping and large-scale production, utilizing over 700 machines and experienced engineers to deliver high quality CNC parts with minimal compromise on lead time or consistency.
For precision CNC machining, we hold tolerances as tight as ±0.01mm. For sheet metal fabrication, our standard tolerance is ±0.1mm, depending on design complexity.
We process a wide range of metals including Aluminum (6061, 7075), Stainless Steel (304, 316), Titanium, Copper, Brass, and various specialty alloys.
Yes. We offer fast-turnaround prototyping to help you verify designs and functional requirements before scaling to high-volume manufacturing.
Yes, we are IATF 16949 certified for the automotive industry, along with ISO 9001 and ISO 14001 certifications to ensure global quality standards.
Prototypes usually take 3-7 days. Mass production lead times vary from 2-4 weeks depending on the project scale and secondary finishing requirements.
Yes. We have an integrated eco-friendly coating line and offer anodizing, plating, sandblasting, and laser engraving as part of our one-stop service.
Simply upload your CAD drawings (STEP, IGS, or PDF) via our contact form. Our engineers will provide a technical assessment and quote within 24 hours.
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Your trusted partner for CNC machining, sheet metal fabrication, stamping, and assembly. From prototyping to mass production with strict quality control.
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No.3 Longze Road, Chang'an Town, Dongguan City, Guangdong Province, China,523861
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