Mooring chain steel with high environmental crack resistance and mooring chain
Improved austenite steel anchor chain and manufacturing method
Wind power generating facility adopting union valve copper alloy flange piston shock absorption
Casting method and application of duplex stainless steel connecting pin-pin shaft
Welding valve zinc alloy piston buffered sea wind power generation instrument
Flanged valve chromium alloy union spring sea wind power generation platform
Auxiliary zinc alloy welding piston buffer offshore oil well machinery
Offshore facility with metal processing apparatus and power generation system
Offshore well power assisting device with chromium and manganese alloy welding springs
Boat accessory with corrosion indication layer and manufacturing method thereof
MOORING CHAIN STEEL AND PRODUCTION METHOD THEREFOR, AND MOORING CHAIN AND PRODUCTION METHOD THEREFOR
Tungsten-manganese alloy threaded spring offshore oil well power-assisted system
Composite board ice belt structure for ship sailing in ice area