... smooth, the welding spot has no burrs. The rack should be nice in appearance, solid and stable, and easy to move; 3, The ... , There is a liquid crystal screen on the host for you touch and control.7, Using static wind technology, to ventilate individually ... well, good transparency, use silicone rubber to resist acid and alkali, No distortion in 15 pounds pressure and 150 °C for half an hour .; The ...