toner cartridge chip for Xerox DC400 laser printers

We are a manufacturer of toner chip and toner cartridges for laser printer .To tell you a good news,now we have worked out many new chips with almost the best quality in China,Such as Samsung ML-1640,Samsung CLP-315 and Samsung CLP-310,Samsung SCX-4300,Samsung ML-2240 printer mainboard chip,Olivette M200 chip,Epson Aculaser M2000D toner chip,KyocerA TK-710/TYK-712 chip,Samsung CLP-350 ,HP Black  Universal chip,HP 1600/2600,3600,Kyocera Kyocera TK-715,675,130,140,310,312,320,322,330,332 etc chip,HPC1215 chip,Lexmark C522 chip,Samsung CLP-300 chip ,Xerox C1110/Dell 1320 chip,HP 36A ,Epson 2600,HP 2020,HP 2025,HP 2035,HP 2055 ,HP P4014,HP P4015 ,Xerox DC7760 toner chip and Xerox Phaser 7760 drum chip etc...