TIANREN GROUP.TIANREN GROUP is an enterprise focusing on the manufacture of pressure vessels and energy-saving process devices, with a large-scale production base covering an area of 300 acres and a building area of 55,000 square meters, with an annual production capacity of over 30,000 tons. The company's main products include high-efficiency towers, high-efficiency heat exchangers, energy-saving evaporators and non-ferrous metal containers, which are widely used in the industries of oil refining, petrochemicals, coal chemical industry, fertilizers, pharmaceuticals, energy chemical industry and nitric acid. Its high-efficiency and energy-saving complete sets of process equipment and pressure vessel products serve in many industrial fields to meet the needs of different industries for high-efficiency and energy-saving equipment.