Huaneng Zhongtian International Trade Co., Ltd. is a leading rock wool roll felt manufacturer, supplier, and factory in China. We are committed to providing premium quality rock wool roll felt for various industries, including thermal insulation, acoustic insulation, and fire protection. Our rock wool roll felt is made from natural volcanic rocks, which are melted, spun, and woven under high temperatures. This process creates a durable and moisture-resistant product with excellent thermal insulation and sound absorption properties. Our rock wool roll felt is available in various thicknesses and densities to meet your specific requirements. In addition to its insulation properties, our rock wool roll felt is also fire-resistant, making it ideal for fire protection in buildings and industrial applications. Our product is easy to install, cost-effective, and environmentally friendly. At Huaneng Zhongtian International Trade Co., Ltd., we maintain strict quality control throughout the manufacturing process to ensure our customers receive the best product possible. Our commitment to excellence has made us a trusted supplier of rock wool roll felt for customers around the world.