Four Contracts Signed, Expanding Global Footprint | Perfect Nitrogen Generators Secures Four Major Overseas Deals in Quick Succession

Recently, Zhejiang PerfectTechnology Group Co., Ltd. has been reporting a string of successes in overseas markets: multiple nitrogen-generation projects have been signed one after another, with exports to countries including Colombia, Algeria, Kazakhstan, and Tanzania, serving industries such as coal mining, glass manufacturing, and metallurgy.

The successive signing of multiple overseas projects this time not only recognizes the reliable performance of Perfect’s nitrogen generators under challenging operating conditions and across diverse industries, but also further underscores the company’s strong brand presence and comprehensive service capabilities in the international market.

Project Cases

01 Pressure Swing Adsorption Nitrogen Production Process

The Perfect nitrogen generation unit is centered on pressure swing adsorption (PSA) technology, featuring a clear process flow and stable operation.

First, ambient air is compressed by an air compressor and then fed into a compressed-air buffer tank for preliminary dehydration and pressure stabilization, yielding compressed air that meets the nitrogen generator’s requirements. It then passes through a purification system to remove oil, water, and particulates. The purified compressed air is routed to another air buffer tank for pressure equalization before entering the nitrogen-generation unit, which contains a carbon molecular sieve bed, where nitrogen is produced via adsorption. Qualified nitrogen is stored in a nitrogen buffer tank for pressure regulation, while non‑compliant nitrogen is vented directly through an automatic venting system until it meets the required specifications.

Project Cases

02 Technical Advantages

Perfect nitrogen generators have undergone continuous optimization in both their structural and process designs, resulting in distinct technical characteristics:

● The adsorption tower features a unique structure that effectively prevents the adsorbent from fluidizing and pulverizing, making the equipment more amenable to scaling up.

● The internal components are rationally designed, ensuring uniform airflow distribution, reducing the impact of high-pressure air on the carbon molecular sieve, and extending the service life of the core material.

● The molecular sieve protection measures are comprehensive; under normal operating conditions, the adsorbent can remain in service for ten years without replenishment or replacement.

● High degree of automation, simple operation, and stable performance; enables unattended operation, with the nitrogen back‑blowing process causing no damage to the molecular sieve.

● An automated interlocked purging system ensures real-time maintenance of product nitrogen purity, meeting the stringent gas‑quality requirements of continuous industrial production.

Thanks to rigorous control over design, manufacturing, and material selection, Perfect nitrogen generators achieve industry-leading overall performance among comparable domestic products.

03 Co-production of hydrogen and nitrogen, integrated gas supply

Notably, both the Algerian and Tanzanian projects signed this time employ a co‑production scheme that integrates hydrogen and nitrogen generation. This integrated gas supply system is custom‑designed by Perfect to meet customers’ specific gas‑consumption requirements. By leveraging precise purity control, optimized energy consumption, and system‑level coupling, it enables the coordinated delivery of nitrogen and hydrogen on a single platform, helping customers simultaneously satisfy two distinct gas‑use needs while significantly reducing overall capital investment and subsequent operation‑and‑maintenance costs.

Project Cases

About Pufico

Zhejiang PerfectTechnology Group Co., Ltd. is a national-level high-tech enterprise specializing in energy gas solutions and the separation and purification of industrial gases. Its business encompasses the technological development, equipment manufacturing, engineering design, project construction, and related engineering services for gases such as hydrogen, oxygen, nitrogen, carbon monoxide, and carbon dioxide.

The company possesses domestically leading pressure swing adsorption (PSA) gas separation technology, with extensive expertise in nitrogen production, oxygen generation, carbon monoxide purification, carbon dioxide recovery, and exhaust gas treatment. It has also established a joint university–enterprise laboratory in collaboration with Shanghai Tech University and Jiaxing University. To date, Perfect has obtained more than 50 invention patents, continuously driving technological innovation across the industry.

In terms of production capacity and delivery, the company has established a strategic layout with Hangzhou as its operational hub and Jingshan, Hubei, as its manufacturing and delivery center. In 2024, it completed a 40,000-square-meter facility, providing robust support for the reliable delivery of both domestic and international projects.

From single‑stage nitrogen production to integrated nitrogen–hydrogen co‑generation, and from deep domestic market penetration to global expansion, Perfect is committed to providing customers worldwide with high‑efficiency, energy‑saving gas separation solutions, helping industrial users reduce costs and boost productivity.

The successive signing of four regional projects marks a significant milestone in the company’s ongoing expansion into overseas markets. Moving forward, Perfect will remain committed to technological innovation and quality enhancement, continuously refining product performance and system‑service capabilities, and working hand in hand with global partners to jointly drive high‑quality development in the industrial gases sector.