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A global leader in the manufacturing of safety-critical investment castings.

Giayoung is a specialised investment casting manufacturer producing complex high-precision metal components for global industrial markets.

FREE! Engineer Consultation

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Market Sectors

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Automotive

IATF 16949-certified precision castings with full APQP, FMEA, SPC, MSA & PPAP control for zero-risk procurement in critical applications.

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850MT monthly capacity with 1,000+ alloy grades including Inconel, Hastelloy and stainless steels for flexible, high-spec supply chains.

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End-to-end material testing, NDT and dimensional verification ensure fully traceable, compliant components delivered with complete quality assurance.

Market Sectors

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Food Machinery

Precision cast and machined components for food machinery, engineered for hygiene, corrosion resistance, and high-precision performance in demanding processing environments.

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Full 5-axis machining, IT6–IT7 tolerances, advanced NDT, and certified material traceability ensure compliance and zero-defect reliability.

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850MT capacity with 1,000+ alloy grades supports scalable OEM supply of housings, flanges, sealing systems, and critical food-grade interfaces.

Market Sectors

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Fluid Control

Precision cast components for pumps, impellers, and fluid chemical systems, engineered for pressure integrity, corrosion resistance, and certified performance in demanding environments.

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CE-PED and AD2000-W0 compliant manufacturing with full NDT, dynamic balancing, and hydrostatic testing ensures safe, leak-free operation in critical applications.

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850MT capacity and 1,000+ alloy grades support scalable OEM supply for chemical processing, fluid transfer, and high-pressure industrial systems.

Market Sectors

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Green Energy

Precision cast and machined components for wind, hydrogen, photovoltaics, and energy storage systems, engineered for high-precision, long-life performance in renewable energy infrastructure.

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Advanced CNC machining, full-process quality control, and certified materials ensure structural integrity, dimensional stability, and reliable system efficiency.

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850MT capacity, 1,000+ alloy grades, and verified sustainability initiatives support scalable, low-carbon supply chains for global green energy programmes.

Market Sectors

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High Speed Rail

Precision cast and machined components for high-speed rail systems, engineered for IT7 accuracy, safety compliance, and long-term operational reliability in demanding transport infrastructure.

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Advanced 4-axis and 5-axis CNC machining with Zeiss CMM inspection ensures dimensional stability, repeatability, and full railway standard compliance.

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850MT capacity and 1,000+ alloy grades support scalable, certified supply chains for structural, transmission, and safety-critical rail applications.

Market Sectors

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Instrumentation

Precision cast and machined components for instrumentation systems, engineered for IT7 accuracy, dimensional stability, and ultra-high repeatability in measurement-critical applications.

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Specialist machining of thin-walled, micro-hole, and complex geometry parts ensures consistent performance for scientific and industrial instrumentation.

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850MT capacity and 1,000+ alloy grades support scalable, high-precision supply chains with full traceability and certified quality assurance.

Market Sectors

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Marine

Certified marine-grade cast components approved by all major classification societies including DNV, LR, BV, ABS, and CCS for shipbuilding and offshore applications.

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Engineered for duplex and super duplex stainless steels with advanced corrosion, cryogenic, and X-ray inspection for extreme marine environments.

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850MT capacity and 1,000+ alloy grades support global shipbuilding supply chains with fully traceable, classification-approved manufacturing solutions.

Market Sectors

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Nuclear Power

Certified nuclear-grade cast components manufactured to RCC-M, NB/T, and CNNC standards with full ISO-certified inspection, welding qualification, and traceable quality assurance systems.

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Advanced witnessed manufacturing, PT/RT/VT inspection, and controlled documentation processes ensure compliance, safety, and regulatory approval in nuclear power applications.

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850MT capacity and 1,000+ alloy grades support secure, fully traceable supply chains for prototype and production nuclear energy components.

Market Sectors

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Oil & Gas

Certified cast components for oil & gas applications, engineered for extreme pressure, corrosive environments, and safety-critical performance in upstream, midstream, and downstream systems.

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Fully compliant with PED, AD2000-W0, NORSOK M650, and NACE MR0175 standards with advanced PT, RT, MT, SSC, and cryogenic testing capabilities.

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850MT capacity and 1,000+ alloy grades support global EPC supply chains with fully traceable, high-integrity, certified manufacturing solutions.

Market Sectors

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General Engineering

Certified cast and fabricated components for general engineering applications, meeting ISO 3834-2 and EN 1090 standards for structural integrity, weld quality, and compliance assurance.

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Flexible manufacturing with 850MT capacity and 1,000+ alloy grades supports multi-industry engineering projects requiring reliable, traceable supply chains.

 

Advanced casting, machining, and inspection systems ensure dimensional accuracy, material integrity, and long-term structural performance across complex applications.

Testimonials

"We've been working with Giayoung for over 25 years and we've developed over 2,000 products for the UK market together. If you need a reliable and trustworthy investment casting supplier capable of handling highly complex work with a fantastic team to support you – you just found it."
Detailed engineering drawing of industrial equipment

Alex Cameron-Clarke

Director

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One Point Two (China) Ltd Purchasing

"We've been working with Giayoung for almost 20 years. Giayoung is supporting more than 140 crucial products for us and our customers in Germany and around the world. We especially value the good collaboration, quick communication and high reliability."
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Marvin Eckert

Procurement Manager

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Watson-Marlow Fluid Technology Solutions, part of Spirax Group

"For more than 20 years, Dongying Giayoung has been an essential partner in our success here at Klinger Westad. Their consistent, high on-time delivery performance, superior product quality and exceptional response time have been instrumental in our growth in the global valve market. They are a true gem in our global supplier base, and I can highly recommend them to anyone who require a casting supplier in the lost-wax segment."
Industrial equipment design sketch

Thomas Groeterud

Purchasing Director

Klinger Westad AS

Our Clients include...

ARO logo, industrial pump manufacturer for mining, fluid handling, and process applications.
Dover logo, industrial pump manufacturer offering mining and engineering pumping solutions.
Ebara logo, trusted mining pump manufacturer and industrial pump solutions provider.
Flowserve a Giayoung customer
Xylem logo, customer of Giayoung
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