We Haixin Group locals SINOPEC ( 2nd largest) shengli oil field, My YM: sukkersu yahoo com,we are supplier of SINOPEC and PERTAMINA ,have one manufacturer base of Drill pipe with API 5D Certificaiton, and one trading branch which supply Polished Rod.
POLISH ROD : SIZE 1-1/ 2' ' ; 1-1/ 4" ; 1-1/ 8" GRADE C, D, K, KD, HY, HL.LENGTH 30 FT

External diameter
( + 0.127, -0.254) 
1 1/ 8( 28.6) 
1 1/ 4( 31.8) 
1 1/ 2( 38.1) 
Pin thread nominal value ( mm) 
15/ 16( 23.8) PR
1 1/ 16( 27) PR
1 3/ 16( 30.2) PR
1 3/ 8( 34.9) PR
Matched sucker rod ( mm) 
5/ 8( 15.9) 
3/ 4( 19.1) 
7/ 8( 22.2) 
1( 25.4) 
Mechanical properties
1.carbon steel 620MPad
tensile strengthd827MPa
2.alloy steel 655MPad
tensile strengthd1100MPa
Coating properties
coating hardness e480HV200
coating thickness 0.254~ 0.508mm
Surface roughness
1.conventional polished rodd0.4¼ m
2.sprayed polished rodd0.8¼ m