Hangzhou Ruijia Technology Co., Ltd. is one of the most reliable manufacturers and suppliers of brass 3d coins in China, also supports customized service. Welcome to wholesale bulk discount brass 3d coins for sale here from our factory. If you have any enquiry about free sample, please feel free to email us.
Brass 3D coins
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Material |
Premium brass alloy + 3D high-relief engraving + anti-oxidation treatment |
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Process |
Die casting + 3D precision engraving + multi-layer polishing + anti-oxidation treatment |
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Thickness |
3.0–3.5mm (sturdy structure that showcases layered details of swimmers, divers, and water textures) |
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Size |
40–50mm diameter (standard coin design, with protective acrylic case) |
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Feature |
Polished brass finish, hyper-detailed 3D relief of swimming strokes (freestyle, breaststroke, butterfly, backstroke) and diving, engraved stroke/dive name, textured edge, scratch-proof, tarnish-resistant |
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Usage |
Swimming event souvenir, athlete milestone reward, team recognition gift, swimming club merchandise, collector's item |
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OEM/ODM |
Supported (custom strokes, event text, plating options, shape customization) |
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MOQ |
500pcs |
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Sample Time |
3–5 Working Days |
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Packing |
Protective acrylic case (individual) + velvet pouch + display box (set) |
Our Swimming & Diving Brass 3D Challenge Coins are a stunning tribute to the grace, power, and precision of aquatic sports-perfect for swimmers, divers, coaches, and fans. Crafted from premium brass alloy with a polished, warm finish, each coin features a hyper-detailed 3D relief of iconic swimming strokes and diving poses: freestyle, breaststroke, butterfly, backstroke, and a competitive dive. Every detail-from the splash of water to the tension in a swimmer's muscles-is precision-engraved to capture the dynamic energy of the sport, while the engraved stroke or dive name adds an official, commemorative touch. Encased in a protective acrylic case and presented in a velvet pouch, these coins are ideal for recognizing personal bests, team victories, or event participation, making them a lasting reminder of aquatic excellence. Blending brass craftsmanship with dynamic sports artistry, these coins are a memorable way to celebrate swimming and diving, honor dedication, and preserve the magic of aquatic achievement.
Core Attributes
Material & Craft
High-quality brass alloy delivers a weighty, premium feel that conveys the warmth and durability of aquatic sports dedication. The 3D relief is precision-engraved to capture every fine detail-from the arc of a diver's body to the ripple of water around a swimmer's hands-while the polished brass finish creates a radiant, reflective surface that highlights the lifelike textures. Multi-layer polishing ensures a smooth, scratch-resistant surface, and anti-oxidation treatment keeps the brass from tarnishing, so each coin stays brilliant for years. The textured edge design enhances the authentic challenge coin aesthetic, making every piece feel like a valuable symbol of aquatic achievement.
Performance
The sturdy brass construction resists bending and impact, ensuring the coins maintain their sharp, detailed appearance even with frequent handling at meets or in swim bags. The anti-oxidation treatment withstands moisture and scratches, making them suitable for everyday carry or display in trophy cases. The protective acrylic case and compact size make them easy to transport, so you can take a piece of your aquatic milestone with you wherever you go.
Design & Variety
Available in 6+ aquatic sports designs with polished brass plating, including all major swimming strokes and a diving pose. Can be customized with additional strokes (e.g., individual medley) or engraved event text (e.g., "State Champion 2025" or "Dive Team 2024") for a personalized collection. Fully customizable: swap strokes, adjust plating options, or create a full set of coins to represent your favorite aquatic sports. Ideal for swim meet organizers, diving clubs, and aquatic sports brands.
Product Display
Customization Options
Badge and Pin
Bottle Opener
Coin
Fridge Magnet
Keychain
Medals
Factory & Service Advantages
Production Strength
With 20+ years of metal souvenir manufacturing experience, our fully automated die-casting and engraving lines ensure consistent quality and precision across every coin. We have a monthly capacity of 300,000+ units, allowing us to handle large bulk orders and peak event demand with ease. Our in-house quality control team conducts 100% inspection on every batch to guarantee scratch-free engraving, flawless relief details, and anti-oxidation durability, meeting the high standards of athletes and organizers.
Customization Support
We offer full OEM/ODM services-from free design mockups and 3D renderings to custom mold development. Whether you need to add a new swimming stroke, engrave an event slogan, or create a branded gift set for a swim meet, our design team will collaborate with you to bring your vision to life. MOQ starts at 500pcs, with flexible pricing for larger orders and exclusive discounts for long-term partners, including swim clubs and event organizers.
Trade Services
Our professional trade team provides REACH/ROHS safety certifications and compliant packaging for global shipping. We offer multiple packaging options, from acrylic cases to aquatic-themed display boxes, and can print your event logo or sports messaging on packaging for a cohesive look. With a 99.8% on-time delivery rate, we work closely with you to ensure your order arrives before swim meets, award ceremonies, or promotional campaigns.
This coin collection blends brass warmth, dynamic aquatic artistry, and customizable versatility-perfect for celebrating swimming and diving, honoring athletic dedication, or creating a lasting reminder of aquatic achievement.
Hangzhou Ruijia Technology Co., Ltd
Founded in 2004, Hangzhou Ruijia Arts & Crafts Co., Ltd. is an integrated manufacturing and trading enterprise with over 20 years of experience in the metal sign products industry. Specializing in the R&D, production and supply of metal nameplates, badges, labels, license plate frames, road signs and other products for overseas B2B markets, the company adheres to the concept of "quality first". After four development stages of initial foundation, growth and expansion, maturity and leadership, and innovation and breakthrough, it has built a comprehensive product matrix covering three major sectors: auto parts, municipal engineering, and cultural and creative gifts.
Quality control production line
Exhibition photos
Group photo of customers
Product packaging, shipping, and loading
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FAQ
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