Markting goal: Cost and Gross margin is up to 200%.

营销目标：成本毛利率达到200%。

Yongheng machinery manufacturing proliferates the national mining area the markting network, stable marketing team, effective and influential word, good faith service;

永恒机械遍布全国矿区的营销网络，稳固的营销团队，一言九鼎，诚信服务；