Shanghai mechanics (shanghai) ltd. Is the authorized agent for the china district of aineste iwata, japan, and provides, inter alia, oil-free vortex air presses, oil-free piston-free air presses, oil-free tooth-free air presses, oil-powered air presses, oil-free presses, oil-free presses, oil-free presses, oil-free vacuum pumps, gas engineering projects in major hospitals, pharmaceutical industries, laboratories, etc。