About Us

Company Profile
Company History
Our Facilities Environment
Our certificate and patent
Test Report
Test Profile

Plug Master was founded in 1983 and is located in Taipei. We are professional manufacturer of connection devices used in communication and computers.
We do research and development of mold designing . We do precise fully automated plastic injection and gold plate electroplating. We manufacture all products with super high efficiency and perfect quality. Our products have been approved by UL certification and our factory in China has been passed by ISO9001,ISO14001 and QC080000,
Our focus is not only providing perfect plugs, but also excellent customer service and competitive prices.
We have been successful in creating many records and we are a leading manufacturer in our field.
Your inquiry and orders will be served with full technical and enthusiastic support. We aim to meet all your needs from standard products, to the most advanced custom requests.
Taiwan Factory :
  • Built in:1997
  • Address:No.1,Ln 46,Sec.1,Ren 5th Rd., Wujie Tonship,Yilan County 268, Taiwan
  • Total Area:2,238 square meters.
  • Total Employee:25 persons
  • Main Product:Modular Plug
  • Accessory:Boots / Covers for Plug
China Factory :
  • Built in July,15th,2001
  • Address:
    Zheng Long Industrial Zone,Si Village,Tang Xia Town,Dongguan City, Kwang Tung Province,China
  • Total Area:6300 square meter
  • Total Employee:140 persons
  • Main product:Modular Plug
  • 2010 Apply patent of selective plated terminal 申請通過端子選擇性電鍍專利
  • 2010 Apply patent of closed cross divider 申請通過封閉式十字分線架新型專利
  • 2011 Develop automatic inspection embedding machine 研發全自動檢驗預埋機
  • 2012 Apply patent of new embedding machine for hi



‧Equipment list    
.Automatic Plastic Injection Machine .Central Control Materical System .Plug Pre-insertion Machine
.Germany X-ray Gold Contact Test Machine .FLUKE Test Machine .Super Precise Inage Tool Microscope
.Salt Spray Tester .Plastic Alloy Analyzer .Latch Tester
‧Material List




The Profile Of Plugs Electrical Test
Our plugs have been approved by UL and meet with F.C.C standard specifications . Plugs are suitable for stranded and solid wire 24-26AWG
Electrical Test:
Energize plug 500 volts AC lasting 1 second
A.Insulation Resistance:500 M abohm.
B.Termination Resistance : 35 M abohm (MAX).
Gold Plate Inspection :
A.According with MIL-G-45204C Type I and ASTM Type 2 standards specification ( 99.7% pure gold Min )
B.Grade D in standard of ASTM (Knoop hardness range > 200 Hk )
C.Grade D in standard of MIL-G-45204 (Knoop hardness range > 200Hk)
D.Class 1 (50 microinches thickness minimum )
The Gold-Plated Testing Instruments :
A.The tensile strength of cable to plug is 7.7 Kgw .
B.Breakdown test : 2000 mating cycles.
Material and Surface Plating:
Housing Material : Polycarbonate 94V-0 ; 94V-2 (Fireproofing)
Contact blades : High strength cooper alloy is according with CNS9503 ,JIS 3110 and C5191R-H standards specification .
100-120 microinches nickel under plated gold .
Operation Temperature: