... drum, helm seat etc. for deck machining use apply to vessel use.(2) Parts for steam turbine.(3) Straight Bollard ... ,chock etc, for mooring, port working equipment .(4) Pump body, valve body etc. for petrochemical industry working.(5) Gear, Bull Gear, ... mine metallurgical engineering .(7) Support of bridge applies to bridgework .The product sells to: Domestic, Japan, America, Korea, Singapore etc.We ...