我局共有生产班组1618个，绝大部分在沿线地区。从1986年起，我局开始按系统工程方法有步骤地加强班组建设，经历了三个阶段：第一阶段，对班组进行恢复性的整顿和验收，从整章建制入手，使班组管理初步进入轨道； Our bureau has a total of 1618 production team, the vast majority of the area along the line. Since 1986, our bureau has started to systematically reinforce the team building by systematic engineering. It has gone through three stages: In the first stage, the team was restored and rehabilitated. track;