Since 2004, Shenzhen ASTA has been the main manufacturer of the compatible laser toner cartridge and copier toner kit. With an area of nearly 15'000 square metro, ASTA successfully achieves production base, R & D department and office all-in-one. With the effort of 510 workers, ASTA's capacity has been up to 600'000pcs per month. We commit ourselves to provide the most competitive price, best quality products, and most satisfying services. ASTA would grow up together with you!ASTA compatible laser toner cartridge and copier toner kit, have covered HP/Canon/Samsung/Xerox/Brother/Dell/Lexmark/ Kyocera/OKI/Epson/Konica Minolta/Panasonic/Sharp/Toshiba/ Ricoh/Lenovo and so on. Our clients include wholesalers, government, banks, schools, supermarkets, office and all users.ASTA compatible laser toner cartridge and copier toner kit have passed ISO9001 quality and ISO14001 environment and STMC certification.