We supply quality pony rod and sucker rod comply with API SPEC 11B specification at ... are a professional manufacture of oil field equipment. With domestic and overseas advance manufacturing technique, We supply quality sucker rod ... API 11 B SPEC. Our producing ability of sucker rod and pony rod is 7,000,000 meters/year. productPony ... 1”), 1(2”), 1.5(4”), 2(6”), 2.5(8”), 3(10”) API pony rod(D, KD,HL)