
Langfang Fangdun fireproof sealing material Co., Ltd. Langfang Fangdun Fireproof Sealing Material Co., Ltd., founded in 2012, Strong strength, with domestic advanced technology and equipment, enterprise scale, product quality in the domestic first-class. Our company mainly produces a variety of thermal insulation materials, sealing materials: -PU coated glass fiber cloth, -Silica gel fiberglass cloth, -Gland packing, spiral wound gaskets, -Graphite plate, graphite paper, graphite roll, ...