... layer fpc service 2. Small order or large order welcome 3. Prompt delivery 4.Good Quality 5.High precision General Manufacturing Capability ... < 7/1000CopperWeightOuter Cu weight1oz ~ 10ozInner Cu wight1/3oz ~ 6ozLaminate MaterialsFR4(High TG,halogen-free),FR5,ISOLA(FR408,370HR),TEFLON,POLYIMIDE,ROGERS ... -filling ink,PTHYOthersUL Cert.YISO Cert.ISO9001/ISO14001/RoHS BEST high frequency PCB