Since 1979, Ningbo Wan'an Co., Ltd. has engaged in the development and production of L.P. gas valves, regulators related products. Today, we are one China's premier manufacturers this field. We also main drafter Chinese cylinder valve standard (GB7512-1998) regulator guild ...

We are manufacturers and exporters of highly precision Brass Terminal Blocks, Neutral / Earth Bars, Plug Pins, Battery Terminals, Cable Glands, Split Bolts, Inserts, Connectors, sanitary parts, sheet metal parts & other fasteners required by electrical electronic, engineering automobile ...