Zhangjiakou Kaihanga o te putanga He professional enterprise engaged in the integration of production, processing, and sales of Zhangjiakou mobile hydraulic boarding bridges, Zhangjiakou fixed boarding bridges, Zhangjiakou mobile boarding bridges, and Zhangjiakou 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