... allowed into workshop for batchproduction.3.Strictly conforms to drawing requirements, we make the products with16 Manganese,40 ... strictlyobey quenching and tempering procedures .5,Every parts of our products strictly conforms to the procedurerequirements : mill ,plane, polish ... , press ,test etc in turn. 6,As for have finished products ,we perform the requirements of theISO9001 Quality System ...