我公司专业生产换热器、冷凝器、化工机械、电加热器、电力设备、汽车配件、自来水管道、卫生食品用等不锈钢工业焊管，产品已获“国家质量监督检验检疫总局”颁发的“压力管道特种设备制造许可证”（编号TS2732192-2012），产品100%作压力试验(最高10MPa,100公斤）检测合格后方可出厂。为确保产品质量，原材料选用宝钢、张浦等优质带钢，并提供质保书。焊管内外焊缝可经处理后（去内焊缝）无痕迹。企业已通过ISO9001、ISO16949质量体系认证，产品执行国标GB12770、GB12771、GB24593，美标ASTMA249、A269、A312、A688，欧标EN10217-7，日标JIS等。 产品规格范围：Φ5-54*0.3-3*长度定尺按客户要求，材质有304、304L、321、316L、310S、840、800等，型号有螺旋槽管、波节管、U型管等。 Our company is specialized in producing welded stainless steel used in heat exchangers, condensers, chemical machinery, electric heaters, electrical equipment, auto-parts, water pipes, and foodstuffs. We have obtained the “Pressure Pipe and Special Equipment Manufacturing License” awarded by General Administration of Quality Supervision, Inspection and Quarantine of the PRC. All of our products are 100% pressure tested (maximum 10Mpa, 100 kilograms) and shall be delivered only after being tested qualified. Our materials come from Bao Steel and Zhangpu, provided with warranty, which can ensure our product quality. Welds of welded pipes could be processed traceless. Our company has passed certification of ISO9001 and ISO16949 quality systems. Our products strictly conform to GB12770, GB12771, GB24593 standard, ASTMA249, ASTMA269， ASTMA312， ASTMA688 standard, EU standard EN10217-7, and JIS standard. Product specification: external diameter is from 5 to 54mm and the wall thickness is from 0.3 to 3, with fixed size （length）to customer requirements. The materials are 304、304L、321、316L、310S、840、800 and so on. Models are spiral groove tube, corrugated tube, U tube and so on. 常熟市鑫统联钢管有限公司 联系人: 曹云 SKALD?CAO 电话(Tel):13962328522 QQ:1468279230 MSN:cswdggcs@hotmail.com 阿里旺旺（Alibaba）：cshdcy Email:cshdcy@sohu.com 传真(Fax):+86-0512-52739998 网址：