Pcb Order Online quality guarantee 
All of our PCBs will produce as per the IPC600G class 2.

1. PCBs’ Shelf life
(1) Hal lead-free is six months, immersion gold is three months, immersion tin is one month, please keep the attached delivery documents and the invoice in your hand, we will calculate the shelf life according these documents.
(2) After you receive the PCBs, you can return the open circuit boards within 5 days, we will re-produce the boards for you if it’s our responsibility; you can return the repairable boards within 10days, we will repair the boards for you free. 
(3) Please check the boards’ quality once you get the boards; please tell us your problem within 7 days, after you receive the boards. If the customers can not find the quality problem on time before you use the boards, we will not make compensation for the other loss except the PCBs.

2. quality assurance
(1) Every piece of PCB produced by our company has been inspected strictly,for those products of dense circuit,we will use the AOI(Automated Optical Inspection) test to ensure the consistency between the original design and the PCB production. 
(2) in the process of electroplation,we will do the slice work and measure the Hole Wall Copper Thickness and the Conductor Copper Thickness to ensure that the thickness meets the requirements of the clients and the 2 class standard.
(3) when finished,we will do the Flying probe test or the Frame test to ensure no open circuit and short circuit in the circuit. 
(4) before the final delivery,we will choose one or two pieces of PCBs to do the Soldering experiments in the temperature of 265 ℃ to ensure that the product is in good heat resistance and tin solder and also meets the requirement of the 2 class standard. 
(5) For the dimensions and pore size of the products,we will choose some products to check or do the 100% check in the process of production and before the final delivery,in order to ensure that they are in the margin of tolerance of the 2 class standard.