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HYI Industry is a trusted global supplier of high-performance fasteners, CNC machined parts, and ophthalmic instruments made from stainless steels, Hastelloy, super duplex, and exotic materials. Engineered for oil & gas, valves, pumps, and precision engineering sectors.
15+
Years Experience
50+
Countries Served
99.8%
Quality Compliance
Hung Yuet Industry Limited Co., Ltd. is a customer-focused manufacturer and supplier of high-quality fasteners, CNC machined parts, and ophthalmic surgical instruments. With years of expertise in the bolting industry, we are committed to delivering excellence in every product.
We specialize in manufacturing standard and special fasteners according to international standards including DIN, ANSI, ASME, GB, ISO, and custom drawings. Our materials include stainless steels, super alloys, and exotic metals designed for critical applications in oil & gas, valve, pump, engineering, and construction markets.
We offer a comprehensive range of high-performance fasteners, precision machined parts, and medical instruments engineered for reliability and durability in extreme environments.
High-strength stud bolts manufactured from stainless steel, alloy steel, and super alloys. Available in various lengths, diameters, and thread types per ASME, DIN, and customer specifications.
Precision-engineered hex nuts designed for high-torque applications. Made from corrosion-resistant materials suitable for harsh environments in oil & gas and marine industries.
Fully threaded and partially threaded headed bolts with precision heads for structural and mechanical applications requiring high tensile strength and fatigue resistance.
Custom CNC machined components produced according to customer drawings and technical specifications. Ideal for replacement parts and unique engineering solutions.
High-performance washers including flat, spring, and locking types made from stainless steel and corrosion-resistant alloys for sealing and load distribution.
High-strength super duplex stainless steel bolts with excellent resistance to chloride stress corrosion cracking, pitting, and crevice corrosion.
Premium Hastelloy bolts, nuts, and washers engineered for extreme chemical and high-temperature environments where standard alloys fail.
Precision surgical instruments for ophthalmology, manufactured with medical-grade stainless steel and strict quality control for sterile environments.
We combine advanced manufacturing capabilities with rigorous quality assurance to deliver reliable, high-performance components trusted by global industries.
Full inspection and testing including 3.1 test reports, third-party certification, NDT, and destructive testing for complete traceability.
State-of-the-art CNC machining centers ensure precision tolerances and consistent quality across all custom and standard parts.
Reliable logistics and supply chain network serving clients in over 50 countries with on-time delivery and responsive support.
Expert engineering team provides tailored advice, material selection guidance, and technical documentation for complex applications.
15+
Years in Industry
500+
Product Variants
50+
Countries Served
99.8%
Customer Satisfaction
We manufacture fasteners from stainless steels (304, 316, 321, etc.), super duplex (F51, F53, F55), nickel alloys (Inconel, Monel, Hastelloy), titanium, and other exotic materials based on application requirements.
Yes, we specialize in manufacturing special parts according to customer-provided drawings and technical specifications using advanced CNC machining processes.
Yes, we offer full material traceability with 3.1 test reports and third-party inspection reports (e.g., SGS, BV) upon request. NDT and destructive testing are also available.
Our products are used in oil & gas, petrochemical, power generation, marine, construction, valve & pump manufacturing, and medical (ophthalmic instruments) sectors.
Please contact us directly via email or phone with your requirements, drawings, or specifications. Our technical team will respond promptly with a detailed quotation.
Contact HYI Industry for inquiries, quotations, or technical support. We’re ready to assist with your fastener, machined part, or ophthalmic instrument needs.
For product inquiries or technical support, please visit our official website to submit your request.
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