... and so on.7.Surface treatment:polishing,maching,plating,heat treatment ,etcWe can do the products according to your ... weapon, sanitary bath equipment and petroleum equipment etc..9. Products: valve, flange, elbow, screw nut, screw bolt, pipe fitting, impeller ... ; Argon arc welding; Sand blasting; Clearing and finishing; Heat treatment; Correction and inspectionweight0.05kg to 50kgMaterialSS:303,304,304L ...