Min. Order Reference FOB Price
1000 Pieces US$2.30 / Piece
Product Description
Twist-on and Snap-on Type Nylon Rod Centrailziers for 2-7/8 Tubing 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 ...