AdvanTec produces marine closures and cranes.
With over 40 years of manufacturing experience, AdvanTec, through its brands, Diamond Sea Glaze, Freeman Marine, Pacific Coast Marine and Steelhead Marine, produce the marine industry’s best closures and cranes. AdvanTec’s collaborative process ensures our customers participation in the development of safe, reliable products that meet their individual needs.
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Diamond Sea Glaze
Freeman Marine
Pacific Coast Marine
Steelhead Marine