... by water, land and air. Specialized in development and production of copper valves, gas valves, cast steel valves, stainless steel valves, sanitary ... in 1998,was totally invested by Ningbo Jintian Copper(Group)Co.,Ltd,which one of "China's Top 500 Enterprises."(2)15 ... in large quantities,free charge of mould fees.(3)Steady raw material supply:we own Jintian Copper Bar Company, which guarantees product ...