Dear Mr.Edward Li, I want to ask from You a favour. Our company profile is remanufacturing laser toner cartridges; so we need PCR's too. I want to ask a proforma invoice about these PCR's: "3906F PCR (Primary Charge Roller) is brand new and high quality and is compatible with the following machines: HP1000, 1010, 1020, 1200, 1300, 1320, 6P, 1100, AX, 5L, 6L, 3100, 3150, VX, 5P " Quantity: 100 pcs Shipping: ASAP, by Air to Budapest, Hungary, EU Please write to me back to the business E-mail address. Tank you very much! Kind regards: Joseph Taylor