This product base on alloy of broze of special formula.The solid lubricating medium is inlaid in the friction surface and the friction area of the solid lubricating medium take over 20%.

• 该产品是高强度合金铜为基体，镶嵌特殊配方的固体润滑剂，固体润滑剂摩擦面积超过30%25。