... Air conditioner pcba factoryPCBA specific instructionMaterial:FR-4Layer: 2 layersSurface finish, HASL lead freeSolder mask: GreenSilk ... 1. 10-15days, with customers completed technical information.2. 12-18days, with customers samples 3. 20- ... pcba manufacturedPCBA service: medical, instrument, environmental, industrial, networking, automotive, aeronautics, security and other industries equipment ...