China oil drilling bow spring centralizers

{"pid":"40536278","cid":"42812","pimg_url":"\/\/img1.b2bforus.com\/a7\/d9\/9ba74b57c91e\/product\/157912104_s-w400xh400.jpg","name":"Drill Pipe Steel Bow Spring Centralizers Rigid Casing Centralizers With Rollers For Vertical Oil Well","company_name":"Puyang Zhongshi Group Co., Ltd.","attrs":{"Price":"Negotiable","MOQ":"1","Delivery Time":"15 work days","Brand":"ZS"}}

{"pid":"45311540","cid":"287535","pimg_url":"\/\/img1.b2bforus.com\/5e\/9a\/f88dc5f65b4d\/product\/171336098_s-w400xh400.jpg","name":"Non-welded Single Bow Spring Centralizer with OD of 339.72 mm for Oil Well Drilling","company_name":"Jiangsu Service Petroleum Technology Co., Ltd","attrs":{"Price":"77","MOQ":"1 PCS","Delivery Time":"Negotiable","Brand":"SWS"}}