A steel sucker rod is one of the important equipment of oil field.Can provide seven kinds of the level of sucker rod,including C, K, D, KD, HL, HY andC, K, D sucker rod press design and manufacture standard of API Spec 11 B, KD, HL, HY grade rod design and manufacture according to standard SY/T5029-2006, KH level rod according to standard within the company.