... 15days 4.Our 3D design software: SOLIDWORK/ UGNX/AUTOCAD and PDF.Molded Rubber Products:1, Material: NBR, CR ... shore A3,Property: high/low temperature resistance, oil and fuel resistance, water resistance, weathering resistance, Ozone resistance ... measurements that marked in the drawings is inspected and qualified. 100% of the order will be inspected ... to visit our website. silicone parts--chalk holder