More than 22 years ago, Silicon Power Supply was created the product's standard of Automatic Voltage/
Line Conditioner to accept in Thailand. We are always the advance leadership more than competitor when changing every time. Because we never still the development to going on the better.

The verrification shown that the first manufacture and distributor of Automatic Voltage Stabilizer was certified ISO 9002 and continued development to have been certified ISO 9001:2000 that the scope is design, manufacturing, installation and service.

The Automatic Voltage Stabilizer and Line Conditioner which special design to applied for hi-fi stero and home theater component should according to industrial standard. We are the first manufacture of this product type have been testing and certified by Thailand Industrial Standard Institute (TISI).

And this verification has shown our engrossment and leadership to create the new innovation for the product's differences, modern and high efficiency.

SIDITAL SRD-SERIES is the most innovation of Automatic Voltage Stabilizer products that integrated experience, expert and high technology to be the new innovation of Digital Automatic Voltage Stabilizer in Thailand under SIDITAL trademark that result cause the advance technology and to be confidence of true power.

The developments are based on fulfill engrossment. We are ready bringing the best things to customer that you have responsible from us. When you always choose the Automatic Voltage Stabilizer / Line Conditioner anyway please specified the product that produced by Silicon Power Supply.