Site Preparation Management Co., Ltd (SITEM) We are operating in term of consultant, design, commission and implementation in architecting and engineering for computer center, telecommunication center, physician equipment center, functional system in industry and every kinds of network center.

As we have been running this business for 13 years. Thus, the experiences can be ensured us as a leader of this business. Besides, we are one of the most professional in selling, designing, installation and maintenance our products such as UPS (The Uninterrupted Power Supply), Battery, DC Power Supply, Surge Protection, Precision Air Conditioner, Water sense and Telealarm.

"We carry out our task under the standard system called ISO 9001:2000"

Since 2002, Sitem was in progress by emphasizing on innovative new products. We put our innovative and outstanding products under the name of "Blueline on the market for 5 years, in order to support the extreme growth and continuous of industrial estate and telecom technology.

There are 3 kinds of Blueline products:

1. Blueline UPS
2. Blueline DC Power Supply
3. Blueline Surge Protection

At this present, Blueline products are well-known and trusted from the federal and office of government and also public companies. We installed our system more than 400 projects in all every regions of Thailand and neighbors countries.

As we intend to develop our products and services to be more modernized for serving the most of our customers satisfaction.

"Blueline is well accepted and trusted from the customers continuous"



Our product are according to the most international standard as CE, EN, IEC and UL. The manufacturer have obtained ISO9001:2000 and ISO14001 standard certification.