We are supplier of the precise forgings, mandrels bar for PQF mill, rolls for rolling mill, petroleum drilling tools and mould for ductile casting pipes etc. The above products we supplied which has been widely used in machinery, petroleum, metallurgy and other important equipment manufacturing industries. The market involved in all over the world.
For the mandrel bar for PQF, the material we used is H13 (4Cr5MoSiV1).The quality and service life of the mandrel bars are advanced in the world. Our company supply around thousands of tons mandrel bars to our clients every year.