Grade C sucker rods are applied to light-to-medium load non-corrosive wells. They can be made of with carbon steel.
Grade K sucker rods are suitable for light-to-medium load applications in corrosive oil wells.
Grade D sucker rods are utilized for heavy loads in non-corrosive or effectively inhibited oil wells. Advantages
1. We strictly manufacture Grade C, K and D sucker rods with API Specification 11B. This makes our sucker rods enjoy wider applications, extended service life and higher cost efficiency.
2. Our patented straightness testing instrument (Patent No.: ZL 2011 2 0109906.9) allows us to effectively test and correct the straightness of conventional sucker rods, solving the straightness challenge of sucker rods.
3. We stringently conform to standards of ISO management system to ensure excellent management efficiency.