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Qingdao WoCheng Microelectronics Co., Ltd.Main Products: RF Microwave Thin film circuit,Photo Mask,Laser Drilling,Laser Resistor Trimming,polyimide bridges,Ceramic film metallization,Single layer Capacitor,Metal substrate/Chip carrier,50 ohm Microstrip Transmission Line,Thin Film Attenuator thinfilm 2018 Registered Send Message Seller Homepage Home Products About us News Contact Us