What about the quality management system in ChangZeng?
2019-11-17
With regard to the quality management system, Shanghai ChangZeng Metal Co., Ltd. gives priority to the national and international standards, especially the ISO9001. Such standards, from the source to the end, standardize our material selection, production, finished product test, and test after packaging. In addition, we have our own quality control system which is built to suit the production conditions and the local policies. It ensures each product to at least be qualified and to be accepted by local people.

Shanghai ChangZeng Co., Ltd., a nation-renowned stainless steel pipe developer and manufacturer, is known for its strong R&D and manufacturing competence in this field. ChangZeng's steel beam series include multiple types. The creation of ChangZeng steel beam strictly complies with international electrical principles. It is manufactured conforming CE mark, GE mark, EMC standards, etc. Its material can be comprised of higher-grade alloys such as stainless steel or molybdenum steel. The product is resistant to the corrosive medium, such as oil, acid, alkali, and salt. Its parts have been finely treated with electroplating and polishing to enhance its chemical corrosion resistance. Its material can be comprised of higher-grade alloys such as stainless steel or molybdenum steel.

Under the concept of win-win cooperation, we are working to seek long term partnerships. We unwaveringly refuse to sacrifice product quality and customers' service.
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