... PCBA 3)Good after-sale service Controllers for 1in1 Air conditioner pcba factoryPCBA specific instructionMaterial:FR-4Layer: 2 layersSurface ... 10-15days, with customers completed technical information.2. 12-18days, with customers samples 3. 20-25days, with customers request and ... productsCertificationISO9001-2000,UL,RoHSR&Dengaged in PCB assembly, LCD driver, ODM and OEM ect productsany other controller ...