Hjpoly is the online brand of Dongguan Hengsheng Polybag Co., Ltd., a Chinese plastic bag manufacturer offering ready-stock products and custom production. The company serves a wide range of packaging and disposal needs, with products for households, pets, food businesses, healthcare settings, and seasonal celebrations. Its catalog includes household garbage and drawstring bags, dog poop bags, cat litter liners, diaper disposal bags, and portable toilet bags.

Medical and safety products include biohazard and infectious-waste bags, specimen transport bags, sterilization pouches, sharps containers, and other medical consumables. For food packaging, Hjpoly offers bags for bread, candy, coffee, ice, takeout, and vacuum sealing. Customers can also shop holiday gift and decoration bags, including Christmas, Halloween, and birthday designs, alongside specialty options such as anti-static, biodegradable, flame-retardant, and temperature-resistant bags.

Custom formats include flat, drawstring, resealable, and slider-zipper styles. Hjpoly highlights factory-direct purchasing and customization, with manufacturing facilities listed in China, Cambodia, and Vietnam. The website also provides customer support for purchase issues and custom requests