... Material standardGB/ASTM/ANSI/BS/DIN 5.Specification drawingsPro/E, Auto CAD, Solidwork, CAXA UG, CAD/CAM/CAE 6.Precision ... products are used for spare parts widely in industries of auto,ore,chemical,construction,metallurgy,boat,machinery,hydraulic pressure parts, ... hardware,blast shelter box,electromotor parts,electric tool,valve,flange,air conditioner joint,etc.Rongbao has long- ...