酚醛胶木管料及保持器；PEEK精密保持架；多孔含油胶木/聚酰亚胺材料及保持器；复合材料保持器。产品耐高温、自润滑、高精度，适用于航空、航天、机床等高速精密轴承。

Phenolic resin tube materials and cages; PEEK precision cages; porous oil-impregnated phenolic/polyimide materials and cages; composite material cages. Products feature high temperature resistance, self-lubrication, and high precision, suitable for high-speed precision bearings used in aviation,etc.