Company Introduction

Grand-Tek Technology Co., Ltd. (GTT)

Starting from manufacturing cable assembly & RF connectors in 1995, GTT has been developing proffessional outdoor antenna & subsystem through all these years. In addition to basic RF cable assembly, weatherproof antenna, enclosure system, mounting brackets, we also provide customers with complete electronic components integrated design and manufacturing services. Our product applications cover from DSRC, automotive assemblies, smart grid, transportation antenna, industrial antenna and related technical services. 
Taipei HQ Address: 8F., No.233-2, Bao Ciao Rd., Hsin Dian Dist, New Taipei City, 23145, Taiwan
Tel: +886-2-2917-7353 


 1995   GTT founded in Taiwan
 1998   UL:1995 UL Safety Certification for Wire and Cable Harness & Connector
 2001   GTT Dongguang, Chang-Ping founded in China
 2004   GTT first patent: Patented Design for Different Coaxial Cable Wire OD.
 2006   ISO 14001:2015 approval for Environmental Management
 2006   Partnership Alliance with HRS & Timesmicrowave
 2006   IATF16949: 2016 Quality Management System for Automotive Industry
 2007   IECQ QC: 080000: 2017 Hazardous Substance Process Management System approved
 2009   headquarter relocation & expansion
 2012   Partnership with GORE
 2013   GTT Power Supply Series Product Range Passed TUV
 2014   Listed in Taiwan stock market
 2019   Headquarter renovation & upgrade

Selling Record

The long-term relationship with Hirose can be traced back to 2006, when we first set up the production line of original FL mini coaxial series. Worldwide delivery record of HRS® original U.FL has reached 15 million pieces, about the same scale of the Netherlands population.
GTT has been selling vent from W.L. Gore® since 2007. It reached 1 million delivery of Gore vent = 1million outdoor wireless devices installing and operating around the world = Wifi Coverage of whole Spain = ½ South Africa = 1/10 USA territory
Working with the cutting edge outdoor coaxial maker in the US, Timesmicrowave® since 2006, the total length of the LMR series coaxial cable which is produced by GTT = 600 times of height of Burj Khalifa (Dubai), the tallest building in the world at the moment. 

Quality Certification

GTT Taiwan
  • ISO 9001:2015
  • TUV Certificate for Power Supply Series Product

GTT  DongGuan, China
  • ISO 9001
  • ISO 14001
  • IECQ Certification-QC08000
  • IATF 16949
  • UL Certification