Since 2004, Shenzhen ASTA has been the main manufacturer of compatible laser toner cartridge and copier toner kit. With an area of nearly 15'000 square metro, ASTA successfully achieve production base, R & D department and office all-in-one. With the effort of 300 workers, ASTA's capacity has been up to 250'000pcs per month. We commit ourself to providing most competitive price, best quality products and most satisfied services. ASTA would grow up together with you!