... Hongda Cu-Al casting Co.,Ltd!Feature: 1.MaterialAluminum 2.Processsand casting, gravity casting, low-pressure die casting, high-pressure die casting 3.CertificateISO9001 ... .1. Aluminum sand casting, sand casting part, die casting, gravity casting, high-pressure die casting, low-pressure die casting, casting foundry.2. Applied ... and strict delivery time. our experience market: sand casting products