Products & Services


  • Design & Made in Taiwan.

  • AC IN light engine design.

  • Qualified QAN/QAR factory.

  • ISO9001 and ISO14001 certified.

  • Protection grade up to IP67/68

  • IECEx, ATEX, UL, CML,...etc global certifications.

  • Dust-proof LED light, Gas-proof LED Light & marine Explosion-proof Light.

  • Passed the test of 720 hours -65℃~100℃ lightening and 1000 hours salt water spray.


  • ​Anti vibration test passed. 

  • Protection grade up to IP67/68

  • 1000 hours salt water spray passed.

  • 17 Beaufort scale wind load test passed.

  • High brightness, light weight, anti corrosion.

  • Weather proof feature suits to outdoor environment. 

  • Customized lighting simulation, design, construction and installation.

  • 20W - 1000W AC IN Street Light and highbay light.

  • 1000 meter underwater pressure test passed.

Heat Resistant

  • THT-EX Lighting is applicable to 100℃ high temperature environment.

  • UL 100℃ heat resistance 30 days(720hrs) testing passed.

  • Suitable for various high temperature environment such as steel factory, iron-foundry or glass factory,etc.


About us

TOP HI-TECH (THT-EX) is the leading manufacturer of Explosion-proof LED lighting in Taiwan. All the products are self-designed and manufacture while marketing to the world with THT-EX brand name.


THT-EX R&D team has more than 20 years’ experiences on the design and manufacture of outdoor waterproof electronic. Besides, we also have well-established knowledge about the special requirement for electronic products used in harsh outdoor environment. THT-EX took the lead to release the first AC-IN Explosion-proof LED Lighting for special environment application in 2011. The product offers solutions of high protection grade IP68, and applicable to high temperature 100℃ & low temperature -65℃ environment.….

8000 pcs


2004 items+


Established year
Monthly capacity



Contact us

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9F, No. 1, Zhongshan Road, Tucheng Dist. New Taipei City, 23680, Taiwan

Tel: 886-2-2267-1234

Fax: 886-2-2269-1166

4F Wako Bld., 2-23-11 Narusegaoka, Machida, Tokyo, 194-0011, Japan
Tel: 81-42-850-5790


Tokyo, Japan Office
Houston, U.S.A. Subsidiary

933 East Airtex Drive, Houston, TX 77073

Tel: 1-617-852-6069 (U.S.A.)


Copyright © 2020 TOP HI-TECH CO., LTD. All rights reserved.

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