Wonderflex

PT Internasional Isolasi Industri was established on May 20, 2013, with a focus on producing high-quality local products for the insulation industry, particularly in thermal insulation and construction applications. The company is part of TD Group, founded by Ir. Toto Djamaludin, who began his business journey in 1974 under the name PT Graha Sakti, initially concentrating on the air conditioning (AC) sector.

Starting as a trading company for AC products, the business gained recognition in 1988 when it was appointed as the brand holder for Fuji Electric Air Conditioning. As the company continued to grow, its focus shifted toward environmentally friendly (green) products. This strategic direction led the founder of TD Group to move into manufacturing, beginning with ducting products. As a result, PT Internasional Isolasi Industri was officially established in 2013 to support this manufacturing vision.

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