... Purposes:Clearing sheet metal solder joint, Burr,mold restoring and grinding other metals,rubber, resin and glass. Pneumatic Saw File ... .The company specializes in manufacturing various kinds of pneumatic Tools, gun accessories and hardware.The products are sold to ... efficient production of quality products. Our production include, AIR TOOLS,CAR DETECTOR,AIR ACCESSORIES ,COUPLERS,AIR PU HOSE,PRESSURE ...