... and Flexible. 3.General Administration of Sport Approved. Electric-hydraulic Basketball Stand1.Material:tempered glass backboard and high quality ... counter-weight, 50Kg/pcs, 600 Kg every stand 2.Hydraulic basketball stand wy-1001made by high quality steel, it ... the production of sports equipment, schools and venues facilities, full fitness path works, musical instruments, children's percussion; art ...