1.Stainless Steel Handle casted,steel castings 2.precision casting 3.Quality control: According to ISO ... ,soluble glass process complex shell process.2. Materials: stainless steel ,carbon steel ,alloy steel, heat resistant steel ,tool steel ,brass and aluminum ,according to DIN ,EN ... -ray,metallograph.7. Quality control: According to ISO 9001 2001 Stainless Steel Handle casted,steel castings