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        1. Diesel cryogenic fluid improver XY-1

          Metal Spiral-Wound Gaskets

          Metal Spiral-Wound Gaskets are made of stainless steel as framework, and flexible filling materials of graphite or special asbestos or PTFE, being processed from a special winding machine, with characteristics of intensified strength, great flexibility, perfect performance of sealing effect, wide application and long life, etc.