Bring Your Brand Vision to Life with Custom Phone Case Collection
Prosub supports brands from logo application and mold design through material selection and scalable manufacturing, delivering phone case collections that are market-ready, more consistent, and faster to launch — all while strengthening brand identity
ODM & ODM Service
Prosub has a rigorous, high-quality integrated team consisting of the Design Department, Mold Department, Injection Molding Department, Spray Painting Department, Coating Workshop, Warehouse Department, Quality Control Department, Finished Product Department, and Business Department.
Each link is tightly interconnected and seamlessly coordinated. From R&D concepts to production processing and product delivery, every stage is strictly controlled to uphold high standards, strict requirements. With over 3,000 phone case molds in stock and a dedicated R&D department for custom tooling, we can match existing designs or create something completely new.
What You Get with Both:
1, Flexible order quantities
2, In-house design, mold, printing, and assembly
3, Consistent quality and fast turnaround
4, Branding, packaging, and compliance support
Custom & Wholesale Sublimation Phone cases
Coated Magsafe Tough Case
Coated Tough Case
Coated Slim Case
Coated Magsafe Slim Case
What We Customize for Your Brand
By unifying design, product details, packaging, and production around a clear brand identity, we help brand clients create truly cohesive product lines
1, Product Design & Structure
We specialize in structural customization for sublimation phone cases, engineered to deliver optimal functionality, durability, and user experience. Every design is tailored to your brand's requirements while ensuring seamless compatibility with sublimation printing.
2, Brand Identity Integration
We help brands embed their identity into every phone case through precise placement and execution of logos, trademarks, and brand-specific details. Our sublimation process ensures sharp, vibrant, and long-lasting reproduction of your visual assets
3, Private Mold Development
We offer exclusive mold development services that allow brands to create phone cases with unique structures, shapes, and features not available from off-the-shelf solutions. Every mold is designed and manufactured in-house, giving you full control over the final product's form, fit, and function.
4, Full Accessory Collection
We help brands expand beyond phone cases by developing a complete ecosystem of coordinated accessories. Each item is designed to match your phone case collection in style, color, and branding — creating a unified product lineup that strengthens brand presence and increases customer lifetime value.
5, Sublimation Printing
We utilize high-quality sublimation printing technology to produce vibrant, durable, and full-coverage designs on custom phone cases. Unlike traditional printing methods, sublimation infuses ink directly into the coating of the case material, resulting in prints that won't peel, crack, or fade over time.
6, Custom-designed Patterns
We enable brands to create distinctive phone cases by combining custom-designed patterns with precise logo integration. Whether you need a repeat pattern that tells a story or a clean logo placement that commands attention, our sublimation process delivers crisp, consistent results across every unit.
Global Compliance Support
We help brands navigate international regulations and certification requirements to ensure your phone case collections are compliant for sale in target markets worldwide. From material safety to labeling standards, our team manages the compliance process so you can focus on growing your business.
What We Cover:
Material Safety – Compliance with REACH (EU), RoHS
Product Testing – Drop tests, flammability, and chemical migration with third-party lab reports
Certifications – CE marking (EU), FCC (USA), and other market-specific requirements
Documentation – Compliance certificates and test reports provided for your records
Reliable Manufacturing for Every Brand Project
m² Factory Space
Monthly Capacity
Years Experience
Collaegues & Counting
Cooperation Process
We make it easy to bring your phone case collection from idea to delivery
1, Inquiry & Consultation
Share your concept, design files, or reference samples. We discuss your requirements, target quantity, timeline, and budget
2, Design & Quotation
Our team prepares product drawings, material recommendations, and a detailed quote based on your specifications
3, Sample Development
We create prototypes or samples for your approval. This includes mold testing, print sampling, and fit checks.
4, Mass Production &Shipping
Manufacturing begins with in-house quality control at every stage — from molding to printing to packaging.and shipped according to your preferred logistics method.