Test of reverse ventilation door arrangement and reversing ventilation results 矿井反向风门设置与反风实现效果试验
2.
Well understanding of the market potential of pneumatic on / off valve and ventilation door industries , as well as related design institutes . develop and well maintain business contacts 熟悉,了解气动开关阀门及风门行业的市场情况及与之相关的各大设计院;建立并维护良好的客户及伙伴关系。