天堂国产一区二区三区丨国产成人精品一区二三区丨国产精品亚洲精品日韩已满十八小丨人妻系列无码一区二区三区丨少妇性l交大片毛多

Langfang Qiutian geo-engineering machinery co., LTD. is of reconstruction from Langfang Bealong mechanical and electric equipment co., LTD., located at Langfang city, the "bright pearl city" of Beijing & Tianjin corridor, with beautiful environment, convenient traffic facilities and distinct regional advantages, 50 Km distance both to capital Beijing & Tianjin.  
Our company is professional at developing, producing and marketing diversified anchor drill rigs. Based on learning and deep understanding foreign advanced technology, we developed independently BHD series of multifunctional hydraulic anchor drill rigs. Among them, our BHD215 & BHD115 anchor drill rigs have been successfully put on market, they find usage at anchor and micropile engineering field for construction pit, subway, tunnel, railway, highway and disaster relief projects with higher productivity.