Beijing Double Dragon International Industrial&Mining Machinery Co.,Ltd.(Bidragon International) is a company authorized by the Chinese Foreign Economy and Trade committee which also get the right to do import and export business independently. The company locates at Beijing, the capital of China, and seats at No.09274 Yongxion Road,Yong ledian,Tongzhou District.Beijing Double Dragon International Industrial&Mining Machinery Co.,Ltd. as a professional export and import company, is the sole agent of oversea market for several manufactures, such as Hebi Yuxing Mine Hoist Factory, HangZhou Boiler Co.,Ltd., Changge