Min. Order Reference FOB Price
100 Pieces US$1.85 / Piece
Product Description
API 11B 7/8 x 2-7/8 Sucker Rod Guide Centralizer Product Description Roller type centralizer: when the sucker rod works the wheel rolls on tubing inside. It can avoid the sucker rod to rub with the tubing pipe. Rod shaped centralizer: when the sucker rods work, nylon block touches the tubing ...