SDA Products
Self-Drilling Anchor Systems
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Couplers for SDA Bars
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Nuts for SDA Bars
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Bearing / Anchor Plates
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Drill Bits & Hollow Bars
Continuous Thread Bar Accessories
All-Thread Bar Reinforcing System
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Couplers for CT Bars
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Nuts for CT Bars
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Bearing Plates for CT Bars
More Geotechnical Products
- Grout Pump
- Supporting Steel Structure
Your Trusted Choice for your
Geotechnical Products
Self-Drilling Anchor
SDA Nuts
SDA Couplers
Needs
About Us…
20+ Years of Expertise in SDA Systems
Started as an OEM for a geotechnical giant, Rayon now serves international clients with premium self-drilling anchor system products, and all thread bar accessories — engineered for reliability, safety, and performance.
3
Upgraded Production Lines
20
Skilled workers with over 10 years of experience
Our Expertise Supports Your Business
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Efficient, scalable production lines to meet diverse customer needs
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Proven OEM experience with international brand quality
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Premium products at competitive prices




