Carbon steel Stage Cementing Collars

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{"cid":"224650","pid":"32325300","pimg_url":"\/\/img1.b2bforus.com\/2f\/f2\/20e2294ebb4f\/product\/123072787_s-w400xh400.jpg","name":"Oilfield DV Tool API Mechanical Double Stage Well Drilling Cementing Collar","attrs":{"Price":"Negotiable","MOQ":"1 set","Delivery Time":"Negotiable","Brand":"ZS"}}

{"cid":"224650","pid":"32325293","pimg_url":"\/\/img1.b2bforus.com\/2f\/f2\/20e2294ebb4f\/product\/123072748_s-w400xh400.jpg","name":"Oilfield Good Cementing Downhole DV Set Tool Step Cementing Collar","attrs":{"Price":"Negotiable","MOQ":"1 set","Delivery Time":"Negotiable","Brand":"Zhongshi"}}

{"cid":"224650","pid":"32325285","pimg_url":"\/\/img1.b2bforus.com\/2f\/f2\/20e2294ebb4f\/product\/123072714_s-w400xh400.jpg","name":"energy & STC Two-Step Hydraulic Cementing Collars. of API Oil Cementing operating","attrs":{"Price":"Negotiable","MOQ":"1.0 set","Delivery Time":"Negotiable","Brand":"Zhongshi"}}

{"cid":"224650","pid":"32325277","pimg_url":"\/\/img1.b2bforus.com\/2f\/f2\/20e2294ebb4f\/product\/123072692_s-w400xh400.jpg","name":"Hydraulic type cementing tool dv oilfield stage oil well cementing collar 6 5\/8\"","attrs":{"Price":"Negotiable","MOQ":"1.0 set","Delivery Time":"Negotiable","Brand":"zs"}}