Tabung Penukar Panas Heat Exchanger Special Tubes Tabung Efisien Termal Tabung berkualitas tinggi yang digunakan untuk produksi penukar panas membawa efisiensi terbaik Low Finned Tube Tubes finned by rolling screw Inner Finned Tube Tubes ribbed inside Corrugated Pipe Pipes with spiral helix Rifled Tube Tubes with spiral ribs inside Perlawanan Duplex Tube (Double Layer) Molten Alminum Plated Pipe Majelis U-bending Pipe Swaging