1.The extension rod is an important parts transporting the power from the driving end to the hydraulic end.
2.It is made of premium alloy steel through unique manufacturing process and advanced technology.
3.Its mechanical property is improved after heat treatment.
4.The surface is smooth,wear-resistant and anti-corrosive after chrome plating and accurate grinding.
5.We can supply extension rod used for F series, 3NB series mud pump.
