We are the distributor of STEEL CITY, the best electrical Conduit Fittings & Accessories.
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Company Profile

T.L.S Engineering Co., Ltd was established in Thailand since 1989 as the distributor of Conduit & Wiring fittings, Explosion proof fittings, Hot dip galvanized fittings, and Lightning protections under the the brandname of STEEL CITY. More than 20 years of experience in this professional field, we offer our products to serve the social needs, and take part in everyday life to bring the power of electricity into the households, manufactories, structure sites, and constructions for many mega projects, such as Suvarnabhumi Airport, BTS Sky train, and MRT subway. (See the Project references for support information)

On behalf of T.L.S Engineering Co., Ltd and STEEL CITY, we aim to provide the premium grade products that are carried out with the high-quality, long-lasting, safety measures, and competitive benefits to the end users. Our products are certified by the King Mongkut’s University of Technology Thonburi (Institute for Scientific and Technological Research and Services), and the Electrical and Electronic Institute. The products are measured with several kinds of experiment, such as, the Testing of heat resistance properties for the products, and the Testing for Thickness of the products.

- Click to view the test reports for the STEEL CITY products
- Click to view the STEEL CITY's Trademark Registration

Over decades, we and STEEL CITY have been successfully expanding our sales and markets throughout Thailand and Asia. Now we are one of the biggest successfully brand in Thailand for Conduit & wiring fittings, Explosion proof fittings, Hot dip galvanized fittings, and Ligthning protections. For our future plan, we are aimming to enlarge our markets all over the continents. With the experiences, quality certified products, and services could be assured that you have made the right choice of choosing our products, which will meet the entire customer's satisfaction and the business achievement.



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