PU-LINK is a leading manufacturer in the plastic spring products industry, specializing in the development and application of plastic spring functionality to stationery, daily necessities, and sports & leisure items. Their diverse product line includes tool lanyards, spring pen holders, anti-drop fishing tool cords, various styles of plastic clips, plastic whistles, retractable keychains and ID holders for EasyCards, universal anti-loss pen holders, retractable spring key rings, spring hair ties, coil wristbands, plastic spring cords, plastic keychains, ski safety straps, child safety harnesses, locker number tag spring wristbands, retractable card holders, spring badge cords, jump ropes, plastic/aluminum bottle openers, phone straps, phone charms/lanyards, neck lanyards, metal hooks, aluminum hooks, carabiners, travel luggage tags, and more. PU-LINK offers the most comprehensive range of styles and highly diversified plastic spring products.