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Shenzhen ASTA Co., Ltd. was established in 2004 and is headquartered in Shenzhen. The industrial park covers an area of 35,000 square meters and currently has 710 employees and workers. Asta is a professional manufacturer of compatible toner cartridges and copier toner cartridges, which is specialized in R&D, production, sales and service. It is a national high-tech enterprise in China.
Toner cartridges, also known as laser toners, are the consumable parts of laser printers. The toner cartridge contains toner, a small, dry plastic granule, a mixture of carbon and black or other colorant that forms the actual image on the paper. The toner is transferred onto the paper by a static-charged drum unit, and the paper is melted onto the paper by a heating roller during printing.