As a responsible manufacturer of scaffolding adjustable base jack, scaffolding platform, scaffold wheels harbor freight and a valuable partner, we have always acted in a prudent and professional manner and have built our image with concrete actions. East Grace Tech is one of the professional manufacturers and suppliers of high quality scaffold screw jack made in China. Equipped with many highly qualified employees in our factory, we warmly welcome you to get the top quality scaffold screw jack with high strength from us.