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On July 2nd 2018, required by customer, we give SGS test to our screw base jack, the base jack afford a force of 60KN progressively over a period of 3 minutes and hold it for a period of 15 minutes.
Actually,for various of hollow and solid scaffolding base jack we make , the strength is from 100-250KN, which is enough to be used in service.
Sales office:Industrial zone of Botou, Cangzhou City,Hebei Province,China. | |
+86-317-5660798 | |
admin@wstscaffolding.com | |