Ceramic piston has been on the list in “863” Plan during the National 10th Five-year Plan and also becomes the key product in “Two High and One Excellent” Project. They have excellent industrial performances, such as wear-resistance, erosion-resistance, high temperature-resistance, high strength, high hardness and high strike- resistance. They have been widely used in petroleum industry, chemical industry, machine industry, food industry, electric power industry, geology industry etc. Ceramic plungers in particular, which have been used in various oil pumps, have been listed in the national “863” plan and their quality has reached at the advanced level in the world. These products have a variety of specifications, the diameter of which ranges from several millimeters to several hundred millimeters. We also provide products according to your requirements.