Ningbo Fidek sealing technology co, ltd. Heat Prevention Products Factory was founded in 2004, is a leader specialized in producing all kinds of heat prevention and insulation products. Main products include fiberglass products, ceramic aluminum silicate fiber products, silicone rubber coating products, furnace door and oven sealing strips, aramid fiber PTFE graphite packing, refractory sealing gaskets, all kinds of commercial and household lampwick, etc.