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    • A friction welded joint for round bar components
    • A friction welding device
    • A friction welding joint
    • A friction welding joint for welding top and top handle
    • A welding method for YG8 hard alloy and 40Cr structural steel
    • A welding method for the joint between YG8 hard alloy tip and 40Cr structural steel tip handle
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    • D.No. 3 Cuigu Street, Economic Development Park, Northern New District, Chongqing
    • E.cqtimemarine@vip.163.com ;
    • P.023-67635601,67635602, 67635603, 67635604
    www.cqtimemarine.com
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