Prosub expands OEM sublimation printing for accessories

Dongguan Prosub Technology Co., Ltd. has expanded custom pattern printing for sublimation phone cases, earphone cases, keycaps and other digital accessories. The move pairs OEM printing with in-house blank production and coating to help brands and sellers speed sourcing, sampling and mass production.

Why it matters: - Prosub’s expanded service gives brands and sellers one manufacturing path for sublimation blanks, custom printing and finished accessories. - The integrated setup is meant to reduce sourcing steps and support faster product development for e-commerce, promotional and private-label buyers.

What happened: - Dongguan Prosub Technology Co., Ltd. announced expanded custom pattern printing services for sublimation phone cases, earphone cases, mechanical keyboard keycaps and other personalized digital accessories. - The service is aimed at brands, distributors, retailers and e-commerce sellers. - The announcement came from Dongguan, Guangdong province, China, on July 21, 2026.

The details: - Prosub now combines pattern printing with in-house production of sublimation blanks and transfer materials. - The company supports customers from sampling and prototype development through mass production. - Prosub manufactures its own sublimation phone cases, coating materials, transfer consumables and related production components. - The company says the setup keeps production and customization under one quality management system. - The customization lineup includes coated phone cases, transparent coated phone cases, sublimation film phone cases, 2D phone cases, AirPods cases and PBT sublimation keycaps. - Surface finish options include glossy, matte, fine-texture and large-texture coatings. - Dye sublimation embeds printed graphics into the coating layer instead of leaving ink on the surface. - The process is designed to deliver high-definition image reproduction, smooth color transitions and better resistance to peeling, fading and everyday wear. - The printing method supports full-wrap printing on curved products such as phone cases and earphone cases. - Prosub offers single-piece sampling, small-batch trial production and large-volume manufacturing. - Customers can provide ready-to-print artwork or work with Prosub’s product development team on design and sampling. - OEM customization for mechanical keyboard keycaps targets gaming peripherals, branded merchandise and promotional campaigns. - Earphone case customization covers multiple AirPods generations and supports full-surface printing for retail products, corporate gifts and co-branded collections. - Production is supported by facilities in Dongguan and Jiujiang with a combined area exceeding 33,000 square meters. - The company operates workshops for injection molding, coating, printing, quality inspection, warehousing and packaging.

Between the lines: - The expansion reflects broader demand for personalized products across promotional merchandise, consumer electronics, corporate gifting and cross-border e-commerce. - Prosub is positioning itself as both a blank supplier and a finished-product manufacturer, which can make it easier for customers to scale without changing vendors. - A representative said the company wants to simplify sourcing and support customers through product development and production.

What's next: - Prosub said it will keep investing in sublimation manufacturing technology, production efficiency and product development. - The company expects continued demand for customized products in international markets. - The service is built for cross-border e-commerce sellers, promotional product distributors, cultural and creative brands, corporate buyers and other OEM customers. - Customers can buy finished customized products or source blank sublimation products and transfer consumables based on their needs. - Prosub, established in 2012, continues to serve customers across Europe, North America, Southeast Asia and other international markets.

The bottom line: - Prosub is leaning into an integrated OEM model that combines blanks, coating and custom printing to streamline sublimation product manufacturing.