After strict evaluation by relevant national departments, our company has successfully obtained the recognition of "National High tech Enterprise". This heavy qualification is a high recognition and affirmation of our company's technological innovation system, ability to transform scientific research achievements, and corporate growth, marking our entry into the national level in the core technology field.

Being a 'high-tech enterprise' is not only an honor, but also a responsibility and commitment. It confirms that our development path of always adhering to innovation as the engine and technology as the cornerstone is correct and effective. This certification represents that we have reached a leading level domestically in terms of independent intellectual property rights, R&D organizational management, and talent team building.

In the future, we will take this as a new starting point, continue to increase research and development investment, deepen collaborative innovation with our partners and customers, and strive to empower you with more advanced and reliable technologies and solutions. We look forward to exploring a broader digital future with you, co creating value, and sharing success.

Comparative dimension	Modular nitrogen generator	Twin tower nitrogen generator
Design and Principles	Multiple independent adsorption units (modules) working in parallel	Two adsorption towers alternate between adsorption and regeneration
Purity and flow rate	Purity can reach over 99.999%	Purity can reach over 99.99%
Flexibility	High. Capacity can be adjusted by adding or removing modules	Low. Fixed structure, complex capacity adjustment
Energy efficiency	High. Using efficient molecular sieves, the air to nitrogen ratio can reach 4.2:1, with low energy consumption	It depends on the operating conditions. High energy efficiency during full load operation, but energy consumption increases during low load or frequent start stop operations
Maintenance cost	Low. Module independence, quick replacement, short downtime	Relatively high. The valve control system is complex and requires professional personnel for maintenance, which may result in long downtime
Floor area	Small. Compact structure, modular design	Big. Two adsorption towers and supporting pipelines are required

How to choose: Focus on core needs
After understanding the basic differences, you can determine which type is more suitable based on your core needs.

Choose a modular nitrogen generator, if:
Production needs to be flexible: there are clear expansion plans in the future, or there are seasonal and cyclical fluctuations in production itself.
Space and energy efficiency are key: limited factory space or strict control requirements for production energy consumption.
Initial budget limited: I hope to control the initial investment cost and pursue lower maintenance costs.

Choose a twin tower nitrogen generator if:
Pursuing extremely high nitrogen purity: Your production process, such as in semiconductor chip manufacturing or certain precision chemical fields, requires nitrogen purity of 99.999% or above.
Large and stable demand: Your production line requires a large-scale, continuous, and stable supply of nitrogen, with long-term stable gas usage.
Emphasis on long-term stability: Under full load continuous operation conditions, its stability and economic performance are better.

With the widespread application of 3D printing technology in aerospace, medical dentistry, automotive manufacturing and other fields, a modular and efficient nitrogen production equipment is quietly becoming an important driving force for the high-quality development of the industry.
In the rapidly developing field of 3D printing today, the oxidation protection of metal powder during laser melting directly affects product quality and performance.

Traditional nitrogen supply methods such as steel cylinders and canned liquid nitrogen are gradually being replaced by a more efficient and economical technology - modular nitrogen generators, which use pressure swing adsorption (PSA) technology to directly separate nitrogen of the required purity from the air, providing an unprecedented gas solution for 3D printing.

Inert gas protection requirements for 3D printing
In metal 3D printing processes such as selective laser melting (SLM), metal powders are prone to oxidation at high temperatures, leading to defects or even failure of the finished product.
The high-purity inert gas environment surrounding the metal powder bed of the 3D printer is key to ensuring printing quality, as it can effectively prevent metal oxidation during laser melting.
Nitrogen, as an ideal protective gas, plays multiple roles in the 3D printing process: preventing oxidation of printing materials at high temperatures, cooling the print head to reduce heat accumulation, improving printing accuracy, and ultimately enhancing product quality.
For different printing materials, the required inert gases also vary - argon is used for steel and titanium, while nitrogen is suitable for printing aluminum.
Technical principle of modular nitrogen generator
The modular nitrogen generator adopts pressure swing adsorption (PSA) technology to directly separate nitrogen from the air. 78% of the air is nitrogen, which means the nitrogen generator will never stop producing nitrogen according to demand. This technology utilizes carbon molecular sieves (CMS) as adsorbents to separate air and produce high-purity nitrogen gas at room temperature, with a stable purity of up to 99.999%.
Modular design allows users to flexibly expand their nitrogen production capacity according to actual needs, simply adding CMS modules to increase gas production. This feature is particularly suitable for 3D printing enterprises with continuously expanding production scales.
Advantages of modular nitrogen generator
Compared with traditional gas supply methods, modular nitrogen generators have shown significant advantages in the field of 3D printing. It can generate nitrogen in real time, avoiding nitrogen storage and transportation, greatly improving production efficiency. In terms of cost, the modular nitrogen generator has both low purchase and operating costs. Compared with traditional nitrogen supply methods, it can significantly reduce the procurement and transportation costs of nitrogen. High quality components ensure uninterrupted supply of nitrogen 24/7, meeting the needs of continuous operation in industrial production. The modular nitrogen generator has a compact structure, making it easy to connect to existing compressed air systems and plug and play, greatly improving the usability of the equipment.
Market prospects and development trends
According to market research reports, the 3D printing gas market is maintaining stable growth, with nitrogen being an important component.
Modularization, intelligence, and energy efficiency have become the main directions for the development of nitrogen generator technology. The latest generation of nitrogen generators is equipped with features such as purity monitoring, optional fail safe shutdown, and environmental protection mode, maximizing energy efficiency and reducing operating costs. With the penetration of 3D printing technology into more industries, the demand for efficient and economical gas solutions will continue to grow, and modular nitrogen generators are expected to become the standard configuration for more 3D printing enterprises.