1) Trolley handle system used for for cases, travel bags, and sporting apparatus
2) Trolley bar materials include alloy aluminum, iron and steel
3) The shapes include circular pipe, rectangular pipe, and elliptic pipe
4) The height can be adjusted or fixed
5) The pipe can be in electroplated colors to prevent being oxidized
6) There are a variety of styles trolleys with reliable quality and competitive price
7) Different sizes can be made according to customers' requirements