PT. Hari Jaya Makmur is a company engaged in the rockwool industry, committed to providing high-quality thermal and acoustic insulation materials for various industrial and construction needs. Located in East Java, we are present as a trusted manufacturer that prioritizes innovation, durability, and consistent product performance.
Our rockwool products are manufactured with high quality standards and go through a strict quality control process, making them the right choice for long-term applications. With heat-resistant, fire-resistant, and optimal sound insulation characteristics, our products are very suitable for use in industrial projects, commercial buildings, and manufacturing facilities. PT. Hari Jaya Makmur is ready to be your reliable partner in meeting the needs of efficient and sustainable insulation materials.