... painting,woodworking,construction, boat, road, chemical painting jobs etc.specification paint guns model HB 131 item NO 120131 material Stainless steel ... , developing, producing and selling series of airless sprayers such as: electric-driven airless sprayers, air-driven airless sprayers, including more than ... Nut, Hexagon Clamping Nut, Power Rollers and so on.. airless paint spray gun