Well Drilling 7 1/2"~8 3/4"

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{"cid":"126677","pid":"22989929","pimg_url":"\/\/img1.b2bforus.com\/72\/81\/7c588953b5bb\/product\/78074724_s-w400xh400.jpg","name":"energy & 8 1\/2\" New King Dream Tricone Steel Tooth Mining Water Well Drilling Bit","attrs":{"Price":"$819.00(1 - 9 Pieces) $786.00(>=10 Pieces)","MOQ":"1 Piece","Delivery Time":"Negotiable","Brand":"kingdream Deris"}}

{"cid":"126677","pid":"22989907","pimg_url":"\/\/img1.b2bforus.com\/72\/81\/7c588953b5bb\/product\/78074610_s-w400xh400.jpg","name":"energy & Good mining news! ! ! TCI Insert Bit Petroleum Tricone Drill Bits \/ Steel Tooth Drill Bits For Oil Well And Water Well","attrs":{"Price":"Negotiable","MOQ":"1 Piece","Delivery Time":"Negotiable","Brand":"Kingdream Lilin"}}

{"cid":"126677","pid":"22989881","pimg_url":"\/\/img1.b2bforus.com\/72\/81\/7c588953b5bb\/product\/78074498_s-w400xh400.jpg","name":"Oil Well API Kingdream HAT127G 8 1\/2\" Steel Tooth Tricone Drill Bit For Coal Mine Drilling","attrs":{"Price":"$1,740.00(>=1 Pieces)","MOQ":"1 Piece","Delivery Time":"Negotiable","Brand":"kingdream"}}

{"cid":"126677","pid":"22989850","pimg_url":"\/\/img1.b2bforus.com\/72\/81\/7c588953b5bb\/product\/78074387_s-w400xh400.jpg","name":"Scale protection kingdream HAT127 formation hard water well API 8 1\/2\" drilling tricone rock bit","attrs":{"Price":"$1,769.00(1 - 4 Pieces) $1,739.00(>=5 Pieces)","MOQ":"1 Piece","Delivery Time":"Negotiable","Brand":"kingdream"}}