... central axis, won national practical patent No. 200820158613.8.2. Multi-functional piling technology.Original combination clamping piling and ... adaptive clamping mechanism won national practical patent No. 200820158614.2. Main Technical Parameters for ZYC700B-B Hydraulic static Pile ... Used Condition Welding Machine NB-500, YD-500KR, BX1-400-2, WS-400 51 7.0 Acceptable Lathe CA6140A, CS6140, CW6263B, ...