河北省张家口市怀来县矾山、赵家蓬、官厅、五堡四个公社,在地理上构成一个不规则的丁字形.矾山公社东临官厅,南接赵家蓬,北连五堡,在三个兄弟社中间,是三社货物交流的必经之地。这四个公社在产、运、销的关系上互相交错,各有所需,有着传统的、密切的贸易关系。“一条龙”大协作的产生从1958年大跃进以来,由于工农业生产的飞跃发展和广大人民群众物质文化生活水平的不断提高,物资运输量迅速增长。1959年全年四个公社需要调运的各种物资总运量达154,880吨,5,720,000吨公里,四个公社的运 Hebei Province Zhangjiakou City Huailai County, alum Hill, Zhao Peng, Guanting, Fort Fort four communes, geographically constitute an irregular T shape .lum Hill commune east hall, south of Zhao Peng, north of Fort Fort, in three Brotherhood among the three communities is the only place for the exchange of goods. The four communes are intertwined in their relations of production, transport and sales, each having its own needs and the traditional and close trade relations. Since the Great Leap Forward in 1958, due to the rapid development of industrial and agricultural production and the constant improvement of the material and cultural life of the broad masses of people, the volume of goods and materials transported has risen rapidly. In 1959, a total of 154,880 tons of various materials needed to be transported by the four communes were transported, 5,720,000 tons of which were transported by four communes