Amontech technology international ltd. Has been specializing in research and development, manufacture and sale of high quality recycled and compatible toner cartridge since 2001. At its very beginning a very comprehensive product-testing center has been established that each part of the new products will be evolved out of hundreds matching tests before put into production. Strict testing measures are taken to all wearing parts, such as OPC drum, toner, charge roller, magnetic roller, and cleaning doctor. And parts manufactured by the world's famous manufacturers are also adopted as raw and processed materials. Establishment of dust free workshop, control of its temperature and humidity, Amontech Keeps the temperature of the workshop from 22 to 28 centigrade all year, and the humidity from 40% to 60% . Rays control is also strictly implemented to protect the OPC drum. Furthermore, each environmental protection toner cartridge on production line should be taken into test for monitor the parameter of the print's density, background, print life, fixation fastness rate and definition. Now Amontech's products have been largely exported to Europe, America, middle east and southeast Asia, it is popular with his high quality products and sound customer service.