Sucker rod is the common equipment in oil extraction. It is manufactured through many processes including testing, straightening, and forging. The sucker rod is placed between the polished rod and the oil well pump. To deliver power. The sucker rod is manufactured from high-quality carbon steel and alloy steel, which is conform to the API Spec 11B standard. Sucker rod has various types including the common sucker rod, hollow sucker rod and FRP sucker rod. Commonly we use the sucker rod coupling to connect the sucker rod. The sucker rod also has various specs to fit different environments and applications.