Mineral Fiber, Vermiculite, Sepiolite manufacturer / supplier in China, offering Professional Production Mineral Fiber (RMF-1020, Basalt >85%) Engineered for Friction Applications, Professional Production High Quality Mineral Fiber (RMF-1020, Basalt >85%) Engineered for Friction Applications, Professional Production High Quality Mineral Fiber (RMF-1020, Basalt >85%) Engineered Mineral Fiber for Friction Applications and so on.