We are Guangzhou Shuangyi Sci-technology Co.,Ltd., a manufacturer of toner powder.Established in 1993,this company has been on of the biggest manufacturer of toner. We supply good quality toner with competitive price. Shuangyi is pursuing "perfect quality", which consider the life of the conpamy.QUALITY FIRST,SERVICE SUPREME and SCIENTIFIC MANAGEMENT are always our target. If you are interested, please contact us for further information or place an order.