... customer need 2,surface :black/bright 3, hot rolled spring steel strip ASTM9260 Spring Steel STRIP1,Length :as customer need2,surface :black ... Quality.SGS inspection is accepted if neededPlace of OrigionTianjinBrand NameshengxiangProductivity500 MT/MonthMOQ10TonApplicationFoodstuff, Gas, metallurgy, biology, electron, chemical etc.NoteWe can also ...