精密塑料轴承耐腐蚀塑料轴承抗酸碱塑料轴承PEEK/PI塑料轴承(耐高温塑料轴承)塑料轴承座及塑料外球面轴承;
Precision plastic bearing plastic bearing anti-acid corrosion plastic bearings PEEK / PI plastic bearings ( high temperature plastic bearings ) Plastics and plastic bearing , spherical bearings ;