
Headquarters
1049, West 5th Road, Dongying District, Dongying, Shandong, P.R. China
European Service Centre
Abelsbergstr. 26E 70190 Stuttgart, Germany

Investment Casting from China without the worry
At Giayoung Precision Casting, we understand that every component you source must meet the highest global standards for safety, reliability, and performance.
From marine environments to mobility systems and industrial assemblies, our processes are certified and verified to ensure consistent quality and full traceability.
Over 8,000+ stainless steel pump impellers and diffusers developed & mass produced using precision investment casting
1,000+ Alloys
Available
100+ Professional Engineers
25+ Years Experience
ISO9001, ISO45001, ISO14001, IATF16949, NORSOK M650 / ISO17782 A995 5A, CE / PED, AD2000
"Giayoung is supporting more than 140 crucial products for us and our customers in Germany & around the world. We especially value the good collaboration, quick communication and high reliability." Marvin Eckert, Watson Marlow Fluid

Why Choose Giayoung?
From custom stainless steel impellers to precision pump diffusers, we provide complete investment casting services for global OEMs.
Cutting Edge Partners
We collaborate with industry leaders to stay at the forefront of materials science, casting innovation, and sustainable manufacturing.
Our global presence and R&D capabilities help us support even the most demanding projects.
Certifications Awarded
We meet and exceed rigorous global standards:
ISO9001, ISO45001, ISO14001, IATF16949, NORSOK M650 / ISO17782 A995 5A, CE / PED, and AD2000.
Durable, High Quality Materials
From super duplex stainless steels to high-alloy castings, our components are built to withstand corrosive, high-pressure, and high-temperature environments without compromising performance or longevity.
Experienced DFM Engineering Advice
Our expert engineering team offers tailored advice throughout your product development cycle.
From feasibility studies to cost-optimised production, we help transform your designs into reality efficiently and reliably.
Metal Materials
The Testing Possibilities Are Endless
Our Clients include...





FAQ
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."

Alex Cameron-Clarke
Director
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."

Marvin Eckert
Procurement Manager
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."

Thomas Groeterud
Purchasing Director
Klinger Westad AS





















