Introduction：AOCHANG was founded in 2002 in Wenzhou city, China. We have been a professional manufacturer for stainless steel welded pipes/tubes, including sanitary pipes, light gauge pipes, industrial pipes under different standards as 3A Sanitary, ISO, DIN, JIS, GB/T12771 and others.
Our welded pipes/tubes size ranges from outer diameter 19mm-219mm with wall thickness 1.2mm-4mm. We offer mill lengths of 3-9meters as well as a selection of cutting and end finishing options.
With 12000 tons yearly output, AOCHANG welded pipes/tubes have been widly used in petrochemical industry, food process industry, brewing industry, beverage industry, pharmaceutical industry, construction industry and machinery and equipment manufacture.
Your satisfaction is always our highest priority, and we never fail to exceed the expectations!
浙江奥昌科技有限公司，成立于2002年，专业致力于生产不锈钢卫生级焊管、薄壁不锈钢水管、不锈钢工业焊管，年产量1.2万吨。奥昌焊管市场覆盖率高，广泛应用于食品加工业、酿酒业、饮料业、城市饮用水供排工程、石化、制药业、生物工程、机械制造业等。
奥昌以各种牌号的不锈钢带为加工原料，利用从国外引进的成套焊管生产线，结合自行研发的内外焊道处理技术与设备，运用冷成型氩弧焊接工艺及国际领先的焊道内整平技术，按照中国 GB /T12771、国际 ISO 、美国3A、德国 DIN 、日本JIS 等标准或根据客户要求专业定制，发挥工匠精神，专攻不锈钢焊管。
客户至上的服务宗旨，我们奥昌的焊管可根据您的具体需求，个性化定制不同长度(3m-9m)、不同规格（外径¢19mm-¢219mm，壁厚1.2mm-4mm）及不同钢管内外光洁度（利用机械抛光或电解抛光，奥昌焊管的最小 Ra 可达0.2um)；并严格控制内外径及厚度公差低至±0.05mm，远低于国际平均水平的±0.10mm，其精准度处于同行业领先地位。
在激烈的市场竞争下，奥昌能稳稳立足并取得长足发展，应感谢广大客户和同仁的支持与厚爱。同时，我们将继续秉承客户至上、品质第一的宗旨，不断开拓市场，切实为您服务。开拓进取的奥昌人，竭诚欢迎海内外客商，各界人士惠顾、洽谈和合作，共同发展！
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SupplyZhejiang Aochang Technology Co.
Main: 304, 304L, 316L and other stainless steel materials, welded pipe, round tube OD 19-219mm, wall thickness 1.2-4mm.
American Standard ASTM A270-A269, Japanese
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