Ningbo Beilun GC-BOB Instrument Co.,Ltd. is an ISO 9001 manufacturing company offering over 1,000 different styles of gauge, vacuum and testing instruments. which include:

OTTOMMO Sand Casting plant has both manual and semi-automatic green/resin sand casting production lines for castings with various weights and geometries.

Renyi Castings specializes in investment casting for a variety of industries including the manufacturing and construction industries. Investment casting is one