Advansub is a supplier of dye-sublimation materials and blanks designed for creators, print shops, and product customization businesses. Developed by Dongguan Prosub Technology Co., Ltd., the brand focuses on producing high-quality sublimation films and substrates that allow vibrant images to be transferred onto a wide range of products, including curved and three-dimensional items. Advansub materials are engineered to provide strong ink absorption, consistent transfer performance, and durable results, helping makers and manufacturers produce personalized products such as phone cases, accessories, and promotional items.