Original crane parts Over 10 years professional experience, special engineer in charge of ... stock resistance/resistor 100A-5.6/100A-1,Tower crane spare parts 1.Brand :Potain,SCM,SYM,Yongmao.etc. Our main products ... angle, pin, bolt, various mech, assembly and spare parts, control box, resistance box and spare parts, drive room and spare parts, wire rope, pulley, cable etc. complete ...