... BRAND Huitong Special Steel Co., Ltd, has own registered brands - HTONG, professionally marketpressure vessels sheets, plates, coils, and strips ... range of products.Specification of ASTM A240 sheets and plates : [ Materials ] 304、 304L、310、310S、316 ... parts, Boiler plate parts,Architectural decoration, Bridge, Steel structure, Solar energy, Metal stamping parts, Welded pipes, ...