Jiangsu Li, chairman and general manager of Qiuyao Xing Long with the staff welcome new and old customers to visit and negotiate business.
江苏丽龙董事长兼总经理邱耀兴携全体员工欢迎海内外新老客户光临指导，洽谈业务。
Based on the "Security Rules for Coal Mine", the ventilation resistance and main ventilator behavior in Xing-long Mine is measured.
前言：根据《煤矿安全规程》规定，对兴隆煤矿进行了通风阻力测定和主通风机装置性能测试。
Based on the "Security Rules for Coal Mine", the ventilation resistance and main ventilator behavior in Xing-long Mine is measured.
前言：根据《煤矿安全规程》规定，对兴隆煤矿进行了通风阻力测定和主通风机装置性能测试。
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