Ningbo Changqi International Co., Ltd. are professional manufacturer & exporter at Plumbing & Plastic Hardware, Sealing, Insulation & Filter industry with 15 years at Ningbo CHINA. Our product line includes: 1)Sealing & Insulation series: PTFE Thread Seal Tape, PVC Electric Insulation Tape, PVC Wrapping Tape, Aluminium Foil Tape, Cloth Duct Tape, Foam Tape & Fiberglass Mesh Tape, etc. 2)Plumbing series: Valve, Bibcock, Faucet, Shower, Hose & Fitting, etc. 3)Filter series: PTFE Porous Membrane, PTFE Filter Media, PTFE Felt Filter Bags, HEPA & ULPA Air Filter, etc.