The precise type of self-lubricating graphite guide sleeve is specially designed for high load mechanical equipment with the mold, a copper alloy inlaid harsh conditions of high temperature lubrication lubrication work difficult or can not self lubrication bearing. This product adopts high strength brass alloy, tin bronze, aluminum bronze and iron and the company's unique formula of copper alloy as the matrix, the products are widely used in water conservancy and hydropower, metallurgy, mining and other multiple rows