We are an experienced manufacturer of PSA oxygen generators, PSA nitrogen generators, VPSA oxygen generators, and compressed air purification equipment. Our high-standard quality enables us to continuously secure new collaborations!Our units are installed all over the world, from tropical coastlines to subarctic highlands, from bustling metropolises to rural industrial zones.
At KSTK, we don't just deliver machines — we deliver trust, commitment, and long-term value.We deeply value every customer relationship, no matter where you are in the world. Our international service team ensures responsive and reliable after-sales support!
Your success is our mission — and we're with you, every step of the way.
50
+
Countries Installed
11000
+
Units Delivered
80
Million Nm³
Annual Gas Produced
Certifications
Hot Product
Modular Oxygen Generator
Unlike traditional multi-tower oxygen generators, our new modular oxygen generator features high-quality aluminum extrusion profile components, offering a more compact design and superior performance. Its innovative system architecture significantly simplifies the equipment structure, reducing both footprint and installation costs. The flexible design allows the unit to be easily placed anywhere in the production facility, providing you with an efficient and hassle-free oxygen generation experience.
Plug & play design
24/7 fully automated operation
Optimized structure, reduced footprint
Unmanned operation, remote monitoring
Quality guaranteed with branded components
Safety guaranteed with intelligent alarm system
Energy-saving design, reduced operational costs
Food-grade piping, corrosion and pressure resistant
Our gas solutions encompass oxygen, nitrogen, and compressed air systems, featuring PSA & VPSA gas generators, gas purifiers, air dryers, filters, and more.
All designed for efficiency, reliability, and cost-effectiveness.
Our efficient and high-performance solutions help you achieve a faster return on investment, optimizing cost-effectiveness without compromising quality.
Quality Assurance
We prioritize excellence with strict quality control, premium materials, and rigorous testing to ensure long-lasting performance and reliability.
Customize Solution
Tailor-made solutions designed to meet your unique needs, providing flexibility and efficiency for various industries and applications.
Professional R&D
Backed by a highly skilled research and development team, we continuously innovate to deliver cutting-edge technology and superior products.
Exceptional Service
From consultation to after-sales support, our dedicated team ensures a seamless experience with expert guidance and responsive assistance.
Best Price Guarantee
With our fully integrated supply chain and complete product categories, we offer the most competitive prices without compromising on quality or performance.
Industry Coverage
As a leading global gas solutions provider, KSTK serves a wide range of industries with extensive expertise. Our professionals are committed to delivering the right equipment for your gas applications. No matter your industry, you can rely on us for tailored solutions that meet your specific needs.
Oil & Gas
Designed for both onshore and offshore operations, our nitrogen systems serve critical roles in nitrogen blanketing...
Chemical
In the chemical industry, our nitrogen generators are applied for inerting, purging, pressurizing, cleaning, pneumatic conveying...
Coal Mining
Developed specifically for underground coal mining environments, our nitrogen generators help mitigate the risk of gas and coal dust explosions...
Learn More
Our product are widely used in industries such as healthcare, chemicals, electronics, food preservation, and more.
Client Testimonials
The design of their units is outstanding, with a neat, compact, and clean appearance. Every detail is beautifully crafted, and you won’t find a single loose wire—everything is built with quality and precision.
Henrik. N(Denmark)
I love their use of color and cabinet design. The vibrant green paired with beige truly makes their products stand out in the market.
Khalid. Z(Congo)
We've been proud business partners with KSTK (formerly Yuanda) for over a decade. They have consistently provided top-notch, highly efficient customer service. Even during COVID, when demand was extremely high, they ensured we received the same timely, detailed support and service as always.
The use of Nitrogen gas generators has become indispensable in various industries, with the food industry being one of the most significant ...
10 November 2025
Our expert team is dedicated to providing the highest quality products and exceptional service to clients worldwide. Choose KSTK, partner with us, and let's build a successful future together!