... .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 ... ,air conditioner joint,etc.Rongbao has long-term friendly relations with many well-known entrprises at home and aboard.90% of the ...