Power Bank Shell Gradient Spray & Vacuum Plating Custom Molding
In a highly homogenized consumer electronics market, a distinctive and visually striking design is the single most critical factor in capturing consumer attention. We specialize in integrated molding and manufacturing, delivering professional-grade gradient power bank shell processing services for global clients.
By seamlessly combining precision Plastic Injection Molding, automated Gradient Spray Coating, and optical NCVM Gradient Vacuum Plating, we achieve smooth, natural dual-tone and multi-color gradient transitions on high-quality engineering plastics such as ABS and PC. Whether you require a high-gloss, vivid metallic finish or a delicate, soft-touch matte feel, we provide precise color matching and full-scale mass production tailored exactly to your brand identity and target Pantone shades.
5.0
design customization
Please fill out the form below to request a quote or to request more information about us. Please be sure to upload customized requirement documents or pictures, and we will get back to you as soon as possible with a response. we're ready to start working on your new project, contact us now to get started.
Please fill out the form below to request a quote or to request more information about us. please be as detailed as possible in your message, and we will get back to you as soon as possible with a response. we're ready to start working on your new project, contact us now to get started.
Product Advantages
Integrated One-Stop Supply Chain Services
From 3D structural design and mold tooling/manufacturing to precision injection molding, gradient spraying/plating, laser engraving logos, electronic component assembly, and packaging—we offer an all-in-one manufacturing process that significantly shortens your development cycle and reduces supply chain communication costs.
Versatile Gradient Finishing Options
Gradient Spray Coating: Delivers rich, full-bodied color transitions with customizable high-gloss or matte soft-touch finishes—offering a smooth tactile feel and excellent wear resistance.
Gradient NCVM Coating (Non-Conductive Vacuum Metallization): Imparts a dazzling, metallic reflective luster to plastic shells without blocking wireless signals or compromising corrosion resistance.
Gradient NCVM Coating (Non-Conductive Vacuum Metallization): Imparts a dazzling, metallic reflective luster to plastic shells without blocking wireless signals or compromising corrosion resistance.
Precision Molds & Strict Color Consistency
We utilize ultra-precise injection molds to ensure seamless casing fits and tight structural integrity. Combined with a standardized optical color-matching system, we strictly control batch color variations to guarantee seamless, natural gradient transitions across mass production runs.
Superior Coating Adhesion & Scratch Resistance
Surfaces are reinforced with multiple UV-cured protective layers and subjected to rigorous cross-hatch adhesion, abrasion, and artificial sweat corrosion tests, ensuring long-term durability without fading or peeling.
Product Details
| Feature / Item | Specification / Description |
| Process Type | Mold Tooling + Injection Molding + Surface Gradient Finishing + Assembly & Packaging |
| Material Options | Flame-retardant engineering plastics including ABS, PC, PC+ABS, etc. |
| Surface Finishing | Gradient Spray Coating / Gradient NCVM Vacuum Plating / UV Curing Protection |
| Color Options | Custom dual-tone or multi-color gradients based on Pantone matching; available in high-gloss or matte finishes |
| Key Features | Strong coating adhesion, scratch & wear resistance, anti-fingerprint, zero interference with wireless charging / magnetic features |
| Secondary Operations | Silk-screen printing, pad printing, laser engraving, high-precision contact pin punching |
| Applicable Styles | Ultra-compact portable power banks, magnetic wireless power banks, direct plug-in fast chargers, foldable wall plug power banks, etc. |
PD-1 拷贝
Application Scenarios
AS-1 (2)
AS-2 (2)
AS-4 (3)
AS-3 (3)
Frequently Asked Questions
1
Q: Is the gradient effect achieved directly during injection molding or through secondary finishing?
A: The gradient effect shown in the images is achieved through a high-quality injection-molded substrate followed by secondary surface finishing processes. We first produce precision plastic housing via injection molding, then apply automated gradient spray painting or Non-Conductive Vacuum Metallization (NCVM) to achieve a smooth, natural dual-tone or multi-color transition. This method ensures significantly higher color saturation and superior surface luster.
2
Q: What is the difference between Gradient Spraying and Vacuum Plating (NCVM)? How should I choose?
A: Gradient Spraying:Offers rich color expression, versatile tactile options (matte skin-friendly touch or high-gloss), and high cost-effectiveness. It is suitable for the vast majority of consumer electronics enclosures.
Vacuum Plating (NCVM):Provides a brilliant metallic mirror shine with optical gradient textures, creating a premium high-tech feel. Crucially, it does not block wireless charging signals, making it perfect for high-end flagship models.
Vacuum Plating (NCVM):Provides a brilliant metallic mirror shine with optical gradient textures, creating a premium high-tech feel. Crucially, it does not block wireless charging signals, making it perfect for high-end flagship models.
3
Q: How do you guarantee color consistency (no color variation) across mass production batches?
A: We maintain a mature color-matching and spray control system. Prior to mass production, we provide a signed pre-production "Golden Sample" for customer approval. During production, we conduct sampling inspections using standardized color target charts and spectrophotometers while strictly controlling paint formulation ratios, spray gun trajectories, and baking temperatures to ensure natural gradient transitions and consistent color fidelity.
4
Q: Will the gradient coating peel off or scratch easily over long-term use?
A: No. We apply a top layer of high-hardness, UV-cured protective varnish over the gradient layer. All finished products undergo strict cross-hatch adhesion tests, abrasion resistance tests (such as rubber eraser and steel wool tests), and artificial sweat corrosion tests to guarantee that the coating remains durable, scratch-resistant, and free from peeling or fading in daily use.
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