Sumitomo Electric Wiring Systems (Thailand), Ltd.

Sumitomo Electric Wiring Systems (Thailand) Ltd.

Manufacturing and sales of wiring harnesses, ABS sensor cables, and harness components

Sumitomo Electric Wiring Systems (Thailand) Ltd. (SEWT) is the comprehensive wire-harness manufacturer for auto industries in Thailand. Based on the high-technological background of SEI and SWS, SEWT has been established and grown as the reliable auto parts company. We also manufacture and sell automotive wires, tubes, and ABS sensor cables in domestic and foreign markets. We strive to provide the best quality products that exceed the expectations of our esteemed customers.

Contact Information

Main Office

Amata City Industrial Estate, 7/125, Moo 4, Mabyangporn, Pluakdaeng, Rayong 21140


Phone:  +(66)-3895-6300

Fax: +(66)-3895-6301

Siam Branch

Siam Eastern Industrial Estate, 60/2 Moo 3, Mabyangporn, Pluakdaeng, Rayong, 21140, Thailand


Phone: +(66)-3889-1140

Fax: +(66)-3889-1141

Map and Directions