1,pneumatic brass air fittings 2,Low Price,Highly Qualty,Good Service. Good Packing 3,short delivery time 1.professional factory of Pneumatic fittings and connectors and hydraulic quick coupings,brass air fittings2,ISO90001 certificate3,Highly qualty with competitive price1.Connection and disconnection of the tube can be repeated several times and is performed with one hand ,without using of ...