Shandong Shouguang Kunlong Petroleum Machinery Co., Ltd.
1Years
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Product Description
API sucker rod:
1.Standard: API 11B
2.Grade: D,K, KD, KH, HL, HY
3.Series: hollow sucker rod, tungten plated sucker rod, spray metal polished rod, polished rod, hollow polished rod, sinker bar, plug-in type anti-break sucker rod, and anti-off rod centralizer.
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