We are Hongsheng Oil Co., Ltd based in Dongying, China. We are member of TradeKey.com since July, 2014. Our business is related to Industrial Machinery industry and we specifically deal in drilling rigs. Please find our product details below: 3000M Drilling Rig ZJ30 Model:U.S Met ZJ30/1700L ZJ30/1700LD ZJ30/1700DZ ZJ30/1700DB ZJ30/1700DBF Nominal drilling depth: 5250~9850  1600~3000 4-1/2″Drill ft m 4920~8200 &nbs... Thank you for taking time to go through our business profile. If there are any questions, inquiries or comments, please feel free to contact us.