What coloring methods are available? | Jin Jumbo Custom Metal Gifts
We offer several professional coloring methods for custom metal keychains, military medals, marathon medals, lapel pins, souvenir coins, and promotional metal gifts. The appropriate method depends on design complexity, durability requirements, surface texture preference, and target pricing.Below is a comparison overview to help buyers evaluate the best option:Soft Enamel Soft enamel is filled into recessed metal areas while raised metal lines remain visible. ▍Best for: promotional products, event merchandise, high-volume orders ▍Surface feel: textured (metal lines raised above color) ▍Advantages: ─ Strong color contrast ─ Cost-effective for bulk production ─ Suitable for bold logos and simple designs ▍Limitations: ─ Slightly less scratch-resistant than hard enamel ─ Not suitable for gradient designsSoft enamel is typically chosen when balancing cost efficiency and visual impact.Imitation Hard Enamel (Cloisonné Style) Imitation hard enamel is filled and polished flat, creating a smooth, jewelry-grade finish. ▍Best for: premium corporate gifts, commemorative medals, high-end branding ▍Surface feel: smooth and level ▍Advantages: ─ Higher durability ─ Refined appearance ─ Long-lasting color stability ▍Limitations: ─ Higher production cost ─ Slightly longer production cycleThis method is recommended when product positioning emphasizes quality and prestige.UV Printing UV printing digitally prints artwork directly onto metal and cures instantly under UV light. ▍Best for: gradient artwork, photographic images, complex color transitions ▍Surface feel: flat (often combined with epoxy) ▍Advantages: ─ Unlimited color range ─ Precise detail reproduction ─ Ideal for photo-quality graphics ▍Limitations: ─ Less dimensional depth than enamel ─ May require epoxy for protectionUV printing is the preferred solution when enamel cannot reproduce the design accurately.Offset Printing Offset printing transfers ink onto the metal surface. ▍Best for: fine text, complex multi-color logos, thin metal pieces ▍Advantages: ─ Accurate color reproduction ─ Cost-effective for detailed artwork ─ Often paired with epoxy coating for added durability.Epoxy Dome Coating Epoxy is a clear protective resin layer applied over printed or enamel surfaces. ▍Purpose: surface protection and gloss enhancement ▍Benefits: ─ Scratch resistance ─ Moisture protection ─ Smooth glossy finishEpoxy is particularly useful for printed metal keychains and frequently handled items.How to Choose the Right Coloring Method? When selecting a coloring process, consider: ─ Design type (solid vs gradient) ─ Budget range ─ Required durability ─ Product positioning (promotional vs premium) ─ Handling frequencyFor most promotional keychains and medals, soft enamel is cost-efficient. For premium commemorative products, imitation hard enamel is preferred. For gradient or photo artwork, UV printing is necessary.If needed, we evaluate artwork and recommend the most suitable production method before tooling begins. Choose Jin Jumbo for high-quality custom metal gifts and reliable OEM ODM manufacturing.
What coloring methods are available?
We offer several professional coloring methods for custom metal keychains, military medals, marathon medals, lapel pins, souvenir coins, and promotional metal gifts. The appropriate method depends on design complexity, durability requirements, surface texture preference, and target pricing.
Below is a comparison overview to help buyers evaluate the best option:
Soft Enamel
Soft enamel is filled into recessed metal areas while raised metal lines remain visible.
▍Best for: promotional products, event merchandise, high-volume orders
▍Surface feel: textured (metal lines raised above color)
▍Advantages:
─ Strong color contrast
─ Cost-effective for bulk production
─ Suitable for bold logos and simple designs
▍Limitations:
─ Slightly less scratch-resistant than hard enamel
─ Not suitable for gradient designs
Soft enamel is typically chosen when balancing cost efficiency and visual impact.
Imitation Hard Enamel (Cloisonné Style)
Imitation hard enamel is filled and polished flat, creating a smooth, jewelry-grade finish.
▍Best for: premium corporate gifts, commemorative medals, high-end branding
▍Surface feel: smooth and level
▍Advantages:
─ Higher durability
─ Refined appearance
─ Long-lasting color stability
▍Limitations:
─ Higher production cost
─ Slightly longer production cycle
This method is recommended when product positioning emphasizes quality and prestige.
UV Printing
UV printing digitally prints artwork directly onto metal and cures instantly under UV light.
▍Best for: gradient artwork, photographic images, complex color transitions
▍Surface feel: flat (often combined with epoxy)
▍Advantages:
─ Unlimited color range
─ Precise detail reproduction
─ Ideal for photo-quality graphics
▍Limitations:
─ Less dimensional depth than enamel
─ May require epoxy for protection
UV printing is the preferred solution when enamel cannot reproduce the design accurately.
Offset Printing
Offset printing transfers ink onto the metal surface.
▍Best for: fine text, complex multi-color logos, thin metal pieces
▍Advantages:
─ Accurate color reproduction
─ Cost-effective for detailed artwork
─ Often paired with epoxy coating for added durability.
Epoxy Dome Coating
Epoxy is a clear protective resin layer applied over printed or enamel surfaces.
▍Purpose: surface protection and gloss enhancement
▍Benefits:
─ Scratch resistance
─ Moisture protection
─ Smooth glossy finish
Epoxy is particularly useful for printed metal keychains and frequently handled items.
How to Choose the Right Coloring Method?
When selecting a coloring process, consider:
─ Design type (solid vs gradient)
─ Budget range
─ Required durability
─ Product positioning (promotional vs premium)
─ Handling frequency
For most promotional keychains and medals, soft enamel is cost-efficient.
For premium commemorative products, imitation hard enamel is preferred.
For gradient or photo artwork, UV printing is necessary.
If needed, we evaluate artwork and recommend the most suitable production method before tooling begins.
What coloring methods are available? | Jin Jumbo
Jin Jumbo develops custom metal gifts, lapel pins, challenge coins, and keychains for global promotional and corporate markets. Backed by over 35 years of precision manufacturing and OEM ODM development support, we help distributors and brands source metal products that combine stable quality, detailed craftsmanship, and dependable commercial value.
Our production structure is built around the needs of promotional product distributors who require reliable supply across multiple categories. From sports medals and police badges to golf accessories and custom tags, Jin Jumbo focuses on manufacturing that improves workflow efficiency, supports strict quality control, and strengthens product value in the metal gifts market.
For international buyers, Jin Jumbo offers more than isolated products. We provide a manufacturing partnership shaped by responsive communication, flexible customization, and long-term production consistency. This helps customers build stronger promotional product lines with dependable sourcing, practical product positioning, and factory-direct quality they can confidently rely on.