... connector, barb hose connector.5. Surface: Yellow brass color, or Nickel plated, or Chrome plated.6. Certification: ISO9001:2000.7. OEM ... .Suitable for use in various applications, our products are mainly used in: water pipes, air conditioner, refrigerator, fire valve, gardening, high ... to contact us for more information. Gas Ball Valve with Nickel Plating