Fast open/close Fireproof Door
China Deyuan Marine Fitting Co.,ltd are leading supplier of marine outfitting equipment,such as marine steel doors,ma...
We carry a full line of Regular & Non-Magnetic Drill Collars. We can also supply all sizes and grades of Solid Steel Bars. 4145H, 4140 and 4130 with I...
Marine Aluminum Watertight Door
China Deyuan Marine Fitting Co.,ltd are leading supplier of marine outfitting equipment,such as marine steel doors,m...
MAIN FEATURES:
Principle of the forged steel floating ball valve: This kind of ball valve has a floating ball supported by two valve seats. Under the...