Delin Aluminum is a specialized marine-grade aluminum plate brand under AOYIN METALS (Quzhou Aoyin Metal Materials Co., Ltd). Together, we provide comprehensive aluminum and steel solutions for global shipbuilding, marine engineering, and industrial applications.

2007

AOYIN METALS Founded

Quzhou Aoyin Metal Materials Co., Ltd was established as a comprehensive aluminum and steel supplier, serving global industrial markets with a wide range of metal products.

2012

Delin Aluminum Born

Delin Aluminum was launched as a specialized brand under AOYIN METALS, focusing exclusively on marine-grade aluminum plates for shipbuilding and offshore applications.

2015

Deep Cooperation with Certified Partner Factories

Built long-term partnerships with top-tier aluminum mills whose 5083, 5086, and 5052 marine plates hold DNV approval. Delin Aluminum maintains its own inventory and leverages AOYIN METALS’ supply chain for cost-competitive, certified plate deliveries.

2018

Global Export Expansion

Expanded exports to Brazil, India, Australia, Turkey, and Southeast Asia, delivering certified 5083, 5086, and 5052 aluminum plates for shipbuilding projects.

2022

Digital Platform Launched

Launched dlaluminumplate.com to serve international clients with online product information, technical guides, and instant quotation services.

2026

Continued Growth

Delin Aluminum continues to grow as AOYIN METALS’ marine aluminum brand, supplying certified plates to shipyards and marine engineering projects worldwide.

Sub-Brand

Delin Aluminum

Specializes in marine-grade aluminum plates — 5083, 5086, 5052, and 5454 alloys — for shipbuilding, offshore platforms, and marine engineering. Plates sourced from certified partner mills.

dlaluminumplate.com →

Parent Company

AOYIN METALS

A comprehensive aluminum and steel supplier established in 2007, covering the full range of 1-8 series aluminum alloys, steel products, and custom metal solutions for global industrial markets.

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