One of GPI’s core competencies of today started with building empty Copier cartridges. With our extensive knowledge in engineering, our RD team has created and continues to create a full range of copier toner cartridges along with related peripheral products. GPI provides high quality and products designed around OEM patent claims to maintain the leading position in the industry. We now offer toner filling and packaging design services for our customers to make buying compatible copier toner cartridges as hassle-free for procurement needs.