We specialize in Hollow POWER PLUG INSERT,RCA PLUG and PHONE PLUG.which is appliable to different countries.Our plug insert is featured by Hollow brass pin and obtain European approvals from Germany (VDE).DESCRIPTIONS:1) We got 3 national invention patents and 1 international patent for seamless hollow brass pins.2) 5 VDE certificates for our plug insert.3) ROHS & REACH ,PAHS certificatesMATERIALS:1) H65 BRASS STRIPES WITH ROHS AND REACH2) G30 PBT WITH ROHS AND REACHTECHNIQUES:1) the invention tecniques of hollow brass plug pin.2) automatic production3) high-tech plating EQUIPMENTS:1) more than 70 sets punch machine of high-tech continuous press.2) more than 300 sets auto machine tools of high-tech and standard.3) more than 40 sets of high-tech computer-controlled injection mould machine.4) independent professional workshop to develop mould.5) technological eletro-plating:environmental friendly & professional QUALITY:1) Superior materials,H65 brass stripes and G30 PBT 2) Excellent techniques and invention3) Good business partner 4) Perfect after-sale service.