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Title: 金刚石复合片钻头,钎具生产厂家,钻杆,锚具,钻采设备,钻探钻具--河南金宏利达矿山机械设备有限
Description: 河南金宏利达矿山机械设备有限公司主营:金刚石复合片钻头,金刚石取芯钻头,煤钻头,锚具,合金钻头,煤钻杆,B22钻杆, B19钻杆,各种钎具等矿山机械设备专业厂家,电话:0394-8204229