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Add: Hekou economic development zone ,shandong
Tel: 86-546-7718801
　　 86-546-7718805
Fax: 86-546-7718801
Zip Code: 257000
E-mail:hisin@chinahisin.com

 
 


drill pipe

drill collar

kelly

heavy weight drill pipe

down-hole motor

drill collar

  
 
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