Name: pu heavy duty trolley spring loaded casters Material :pu Size : 5/6 inch Load capacity : 300kg Leading time :about15-25 days Packing detail:1) polybag packing 2) 12pcs in one carton(6 inch), 8 pcs carton(8 inch), Order detail : the moq : 500pcs Bracket types: top plate swivel, fixed, swivel with dual brake, threaded stem swivel, threaded stem with dual brake, bolt hole, bolt with dual brake. Advantages: agility, easy moving and durability Company Infromation Qingdao Pingyang International Trading Co., Ltd., was established in 2014,a famous and professional pu heavy duty trolley spring loaded casters supplier. we are located in Qingdao, north of China. Our factory near the Qingdao Liuting International Air Port and Huangdao Sea Port,the traffic is very convenient. Which specializes in Industrial Casters. Bead Roller Machine . Hand Trolley. Corner Guards . Wire Springs . If you want to get high quality pu heavy duty trolley spring loaded casters, please visit Qingdao Pingyang International Trading Co., Ltd. Application: nursing equipments, food working, factory material handling, warehousing & logistic and manchines manufacturing