Established in 2017, nanjing jianxian smart technology ltd. Is an innovative technological enterprise that combines r & d, production and marketing, and focuses on the production of car air-conditioning pipes, car parts, ducts and various types of pipelines. The main products include open-door auto-pressure equipment, pipe-push test equipment, air-conservation equipment, automatic welding equipment, pipe-cleaning drying equipment and various specialized and non-standard equipment。