激情偷乱人成视频在线观看-午夜天堂精品久久久久-婷婷俺也去俺也去官网-一区二区三区高清视频一-国产精品成人影院久久久

ABOUT US

Understand the history of the company

ABOUT US

Understand the history of the company

 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. 
     
   

PRODUCT

Our products and services

PRODUCT

Our products and services

NEWS

Show you the latest news reports

NEWS

Show you the latest news reports