The basalt knitted sleeve is made by knitting high-quality basalt fibers. Its continuous working temperature can reach 700℃. It features high strength, excellent heat resistance, oxidation resistance, radiation resistance, insulation and soundproofing, good filtration performance, high compression resistance and shear strength, and is suitable for use in various environments. It is an excellent insulation protection sleeve for harsh environments. It is widely used in engines, car exhaust pipes, engines, and thermal protection of construction/mining equipment.