Ningbo Dongding Special Tube Industry Co., LTD was established on September 21, 2017. Legal representative He Yonghong, the company's business scope includes: special metal pipes, pressure vessels, general machinery and equipment manufacturing, processing; Manufacturing and installation of pressure pipe components; Physical and chemical metrological inspection of metal materials (except inspection of import and export commodities); Wholesale and retail of metal materials; Technical consultation and service of heat exchange tube; The import and export of self-run and agent goods and technology, but the country limits the goods that manage or prohibit import and export and technology are excluded.