郑州 Kaihanga o te putanga He professional enterprise engaged in the integration of production, processing, and sales of 郑州 mobile hydraulic boarding bridges, 郑州 fixed boarding bridges, 郑州 mobile boarding bridges, and 郑州 boarding bridges. The company adheres to the concept of people-oriented and honest management, with guaranteed goods, complete specifications, lower prices, high-quality and low-cost direct sales