Zhongshan Shuangli Metal Products Co., Ltd.,located in the Pearl River Delta,Zhongshan-the great Sun Yat-Sen former residence.Shuangli,as a professional casters manufactory ,mainly specializes in developing, manufacturing,and marketing various casters.From the foundation since 2000,we actively develop and expand new products,and until now,we have developed 8 big series products include more than 500 different kinds of casters,load capacity ranges from 10kgs to 500kgs. With the advanced ...