shanghai pengpu machine building plant co.,ltd established since 1959, located in gong he xin road 3201#,shanghai city, china.and we are the biggest bulldozer manufacture in china.in 1979 imported komatsu bulldozer D155-1A ,cat D6D and Liebherr excavator R942 technology. now we joined XCMG group. the products we manufacture are bulldozer (120-410HP)and excavator(6-33tons)..welcome to visit our company! bulldozer made in china.my contact way is xuefeileo at yahoo com cn. thanks