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英文翻译：Jiangsu Zhongxin green tube technology Co., Ltd. is a high-tech enterprise integrating science, industry and trade with AAA credit rating. Founded in 2004, the company is one of the earliest professional manufacturers of bimetal composite pipe. The company is located in Nanjing, the capital of Jiangsu Province, the historical and cultural city of the ancient capital of the Six Dynasties, Jiangning Lake mature industrial concentration area, covering an area of 48000 square meters. The main workshop is 18000 square meters; the warehouse is 6000 square meters; the inspection room is 800 square meters; the office and living rooms are 2600 square meters; the marketing center is 600 square meters. It consists of: Technology Department, quality inspection department, production department, comprehensive department, marketing center, finance department, storage department, etc. Among them, there are 6 senior technicians and 20 technicians. The company has independently developed 32 automatic production lines of positive spinning method (Patent No.: zl201010517432.1, zl200920233533.9), which can produce dn15-dn1400 lined stainless steel composite steel pipes and a new generation of bimetal composite steel pipes for petrochemical and industrial use, with an annual production capacity of 120000 tons. Enterprises select famous brands as designated suppliers of raw materials, supply raw materials, timely inspection, strict control. The company has passed ISO9000 quality management system certification, apispecq1: (new version), API specification 5ld certification (new version), gos certification and pressure pipeline component type test certificate. In order to further put the management of the enterprise on the scientific management track, the company strictly manages in accordance with ISO9000 quality system requirements, API specifications, HSE and other relevant standards, specifications and requirements of pressure pipeline components, so that the company's products can better and continuously meet the requirements of customers, so that the enterprise can develop healthily and steadily in the market competition.

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