Wah Hing is a professional producer for cartridges for over 10 years, with ISO 9001 certified, our main components are imported from oversea like japan and korean with high quality . Our pricing policy is at medium to low level, but with high quality goods, in this way all customers have very long term good relationship with us. Although the defect rate is low, (Epson and branded 0.05%, HP and Lexmark , and toners are around 3%, ), we carry on one to one exchange policy, so if any bad goods happans, we will replace them one to one for customers and send them in next order delivery.Our product warantee pierod is one year since the date of production, our payment terms is 100% TT in advance, or over 20,000 usd to do L/C at sight. We will start preparing the order after you fax or scan us the TT copy of payment, and send goods out only after we confirm that we have received your full payment in our bank.Our sample policy, normally for our first sample order the MOQ is 10 pcs per item, FOB shenzhen price, but customer him/herself must bear with the delivery costs. For HP,Lexmark, toners and all other products we have sample charges for it, for epson and branded compatible inkjet cartridge, we can send one set each for free testing. But since our second order, we offer FOB shenzhen price only when order over 7000 usd, less than that will be by ex-factory price. Below are our main product range, and the items highlighted in red is those with competitive prices:Wahhing-tech product range: xxxxxcompatible inkjet cartridge for Epson, branded, Xerox,Brother,Sharp,HP,Lexmark, large format printer cartridgeRemanufactured inkjet for branded, HP, Lexmark,New compatible & Remanufactured toner cartridges with new drum or OEM drums, assorted famouse brands,Ribbon, TTR, Drums,Bottle toner Powder & ink, bulk toner powder & inkClips, Continous Ink Supply System, Chip Resetter,Photo Paper, Media Rolls,