Siam Seimitsu specialize in a variety of “ORION” brand products with 40 years experience about clean air system.

Siam Semitsu Co., Ltd. was established in 2012 as subsidiary of Siriwat Corporation (1976) to officially import and distribute Orion brand products from Japan to here in Thailand. The main objective is to strive to expand sales and give a detailed service and support after sale to meet industrial market needs focusing on quality and modernity “Orion” is well-known brand that has been recognized by industrial sectors in Japan. Orion products include Air dryer, Chiller, Dehumidifier, Vacuum Pump. Temperature and humidity controller (PAP) and various types of air filters. We have 4 branches all over Thailand in Bangkok, Chonburi, Ayutthaya and Khonkaen.

Please consult with us if you have any inquiry about compressed air or chiller​.