... overhauling and renovation of Air Pollution Control Equipment such as Electrostatic Precipitators, Fabric Filters, Pneumatic Conveying Systems and ... welding capacity and possesses various of machining equipment such as 3kw laser cutting machine, CNC flame cutting, vertical ... planning, grinding, drilling, shearing machines; different welding machines such as TIG, CO2 shield and AC/DC, Spot-Welding etc. ...