Zhuhai Polytoner Image Co Ltd. Is a professional manufacturer specilizing in produce laser cartridges: compatible & remanufactured since 2004. Our factroy located in Cuizhu Industry park, Qianshan, Zhuhai, China. And also We are an ISO 9001 & ISO 14001 certification company, We have two modern, semiautomatic, clean workshops, factory area is around 6,000 square meters, and monthly capacity of finished products nearly reach to 80,000pcs.