shannxi hainaisen petroleum technology Co.Ltd

Date: 2nd March 2016
91/2" HS662XA Tuam Tshoj mov ua rau lub cev Steel ndais tub ntxhais siv Pdc laum ntsis muag zoo
Tuam Tshoj mov, ntsis zoo, lub cev steel laum, zoo zoo, zeb drilling khoom, pdc laum ntsis, pob zeb diamond laum ntsis
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