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CHANG ZHOU LONG JIN MACHINERY CO.,LTD.
LJ Double-disc Wear-resistance Gate Valve
LJ Double一disc Wear-resistance Gate Valve -DZ
LJ Rotary Wear-Resistance Valve
DX Rotary Wear-Resistance Valve
LJ Inflatable Dome Valve
JLF280 LJ Flap Inlet Valve
KDF Ash bank Diverting Valve
CLF Pneumatic Cylinder Outlet Valve
Knife Gate Valve
Metal expansion joints
LD type dense phase transporting pump
Transporting Pump(Pressure Vessel)
Tungsten Steel And Ceramic Tube