Classic Elegant Logo, Letterhead & Visiting Card Design

I am looking for a classic and elegant design for my logo, letterhead, and visiting card for Enlight Metals. The logo should incorporate industry-related symbols, presented in a modern and minimalist aesthetic.

Key Requirements:
- Design a classic and elegant logo
- Create corresponding letterhead and visiting card
- Use of industry-related symbols in the logo
- Adoption of a modern and minimalist aesthetic

Please use your discretion for the color choices, as I am open to your design expertise. I look forward to your creative proposals.

My competitors are JSWone.com and tatanexarc.com