Casting Services
About Sunyi Precision Engineering
Sunyi Precision Engineering is a trusted provider of turnkey precision machining solutions, headquartered in Singapore. With over 25 years of experience, we have developed extensive expertise in a broad spectrum of precision manufacturing services, including casting, CNC machining, and custom fabrication.
Comprehensive Casting Solutions
Beyond casting, Sunyi offers a full suite of services to deliver ready-to-use components
- Precision CNC Machining: Ensuring tight tolerances and high-quality finishes.
- Surface Treatments: Including chrome plating, nickel plating, zinc plating, silver plating, gold plating, hard chrome, powder coating, and more.
- Secondary Processes: Such as impregnation, tumbling, leak testing, assembly, ED coating, and wet painting
Our Casting Capabilities
At Sunyi, we offer comprehensive casting services tailored to meet diverse industry requirements. Our capabilities encompass:
- Sand Casting: Ideal for producing complex metal components with excellent dimensional accuracy.
- Die Casting: Suitable for high-volume production of intricate parts with superior surface finishes.
- Investment Casting: Provides high-precision components with intricate detailing.
We work with a variety of materials, including:
- Carbon Steel: ASTM A216 WCB, WCC
- Alloy Steel: ASTM A217 WC6, WC9
- Stainless Steel: ASTM A351 CF8, CF8M, HK40
- Nickel Steel: ASTM A352 LCB, LCC, LC3
- Ductile & Chrome Iron: ASTM A536, A532
- Special Alloys: Tailored to specific application needs
Why Choose Us?
- Experience: Over two decades of industry expertise.
- Quality Assurance: Adherence to stringent quality standards and certifications.
- Customization: Tailored solutions to meet unique project requirements.
- End-to-End Service: From initial design to final product delivery.

