TPT Office Equipment LLC North America is a global professional manufacturer and distributor of laser toner cartridges, especially in laser color toner cartridges. TPT is renowned for one-stop product offerings, strong technological capabilities and excellent customer service, earning recognition from many of the world€™s most demanding and respected customers. Now TPT have subsidiaries in London, San Francisco and Guangzhou.All TPT toner cartridges are patent free with new parts. To ensure the quality and stability, the materials are all from famous and excellent quality manufacturers, and the toner cartridges are 100% test. TPT boasts advanced manufacturing facilities, inspection instruments, dustless air-conditioning workshops, professional technical talents and strong R&D ability in compliance with ISO9001 standard. Now TPT has established great market share in the field of remanufactured and compatible toner cartridges both at home and abroad.