... steps 3. High quality & Good price 4. S.S304/316 Shanghai Pangyi Metalware Co., Ltd.is a professional manufacturer of staircase, stainless ... tempered safety glass/oak etc. We also supply metallic door, hardware fittings, cable trays, sheet metal fabrication service and so ... Works Co., Limited and Shanghai Pangtong Business Enterprise Dev. Co.,Ltd. to build a systematic product-supplying system, so as ...