Profile: Sinoboom Petroleum Equipment Co., Ltd. is mainly specialized in producing & selling fracturing pump fluid ends & expendables, bi-metal liners & ceramic liners for mud pumps, and flow control pipe joints for oilfield applications like fracturing, cementing, acidizing, and gravel packing. HY-chrome mud pump liners are made with a high chrome iron sleeve in a forged steel hull. The bore hardness is 60 to 67 Rockwell C scales, while the hull has high tensile strength of more than 90000 psi. Combining the characteristics of chrome with state of the art manufacturing, the liners can withstand mud pressure of up to 7000 psi. The life of our HY-chrome liners is proved to generally reach a level of more than 800 hours.