Deep groove ball bearing
Environment303Days Ago (05-08)
Deep groove ball bearing (GB / T 276-2003), formerly known as single row radial ball bearing, is one of the most widely used rolling bearings. It is characterized by small friction resistance and high speed. It can be used to bear radial loa...
Hydrometallurgical And Pyrometallic Nickel
Environment410Days Ago (01-21)
Nickel is a transition metal element with element symbol Ni, located in group VIII of the fourth period, with atomic number 28. Nickel is a silver-white metal with good mechanical strength and ductility. It is insoluble in water and has str...
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