Sucker rods are produced according to API SPEC 11B,SY/T5029,which are exported to USA, Canada, Russia, India, Middle East. RegularSuckerRodTechnicalParameterApplying the advanced technology in market and special material,we produce high strength and anti-corrosion sucker rod, cooperating with international leading manufacturer to produce several sorts of sucker rod such as Grade HL,HY,KD,D with ...