【七里海是哪个国家的品牌？】

英文翻译：Tianjin Yilida anticorrosion and thermal insulation engineering Co., Ltd. is an enterprise that produces prefabricated directly buried thermal insulation pipes, high temperature steam pipes, supporting pipe fittings and high-density polyethylene outer protection pipes. The company has 16 polyethylene pipe production lines, of which 4 are newly introduced from domestic excellent production lines, adopting various inspection items such as vacuum sizing, spray cooling, non-destructive testing, thermal insulation performance, etc. It can meet the testing requirements of all insulation pipes and fittings involved in the company. The directly buried heat preservation pipes and pipe fittings produced by the company have been widely used in urban central heating and cooling projects, with obvious energy-saving effect, convenient construction and good economic and social benefits. With strong technical strength and excellent production equipment, the company has gradually shaped itself into one of the larger enterprises in the domestic direct buried prefabricated insulation pipe industry. Guided by the scientific outlook on development, the company adheres to the business philosophy and consistent policy of action with perfect product quality, good corporate reputation, excellent management mode and excellent after-sales service system. Product coverage: Tianjin, Beijing, Shanghai, Hebei, Shandong, Inner Mongolia, Henan, Shanxi, Shaanxi, Hubei, Xinjiang, Ningxia, Liaoning, Jilin, Heilongjiang and other provinces and autonomous regions.

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