... .ISO9001,export entitlement Welcome to Qingdao Longquan Hongda Cu-Al casting Co.,Ltd!Feature: 1.MaterialAluminum 2.Processsand casting, gravity casting, low-pressure die casting ... and strict delivery time.1. Aluminium casting part, sand casting, die casting, gravity casting, high pressure die casting, low pressure die casting, casting foundry.2. Applied software for ...