... position, operating a more equilibrium safety. 2, The QWB tail plank liquid presses a pump and oil urn, seals completely a ... electricity to control device, easy tooperate. 4, The special tail plank liquid press system establishes a liquid system to pressflameproof valve ... , can avoid surprised loss effectively. 5, The QWB tail plank passes the strict sour washing, turning, and roast painting.The ...