We specialize in Hollow POWER PLUG INSERT,RCA PLUG and PHONEPLUG.which is appliable to different countries. Our plug insert isfeatured by Hollow brass pin and obtain European approvals fromGermany (VDE). DESCRIPTIONS: 1) We got 3 national invention patentsand 1 international patent for seamless hollow brass pins. 2) 5 VDEcertificates for our plug insert. 3) ROHS & REACH ,PAHScertificates MATERIALS: 1) H65 BRASS STRIPES WITH ROHS AND REACH 2)G30 PBT WITH ROHS AND REACH TECHNIQUES: 1) the invention tecniquesof hollow brass plug pin. 2) automatic production 3) high-techplating EQUIPMENTS: 1) more than 70 sets punch machine of high-techcontinuous press. 2) more than 300 sets auto machine tools ofhigh-tech and standard. 3) more than 40 sets of high-techcomputer-controlled injection mould machine. 4) independentprofessional workshop to develop mould. 5) technologicaleletro-plating:environmental friendly & professional QUALITY:1) Superior materials,H65 brass stripes and G30 PBT 2) Excellenttechniques and invention 3) Good business partner 4) Perfectafter-sale service.