1. Comprehensive Strength
Suzhou Purification Group---Chuangyuan Science & Technology(Listed Stock Code of Shenzhen Stock Exchange: 000551)
Founded in 1969 (currently is a large-scale State-owned enterprise)
Gate crashed into top100 new-high national technological enterprises in 1994 (No. 59)
Gate crashed into 520 key State-owned large or medium-sized enterprises in 1999
The largest pressure swing adsorption (PSA) nitrogen production enterprise around China for the time being
Has the largest domestic gas equipment user group
The products are widely distributed more than 10 countries and districts, including Asia etc.
The sole domestic enterprise in such field boasting competitive edges in the global market
Comprises of a State-level doctor work station and a national purification technology research center
The first passed ISO90001: 2000 International Qualify Certification System in the domestic gas equipment manufacturing industry

2. Development Milestones
With a history of 50 years, the company boasts rich experience in the gas equipment manufacture
Since 1983, all the economic indexes have been increased by 20%
Since its foundation, the company takes the industrial gas equipment manufacture as its leading industry
In earlier 1980s, the company stepped into research on PSA nitrogen generators
In 1985, it successfully promoted the first 5A molecular sieve PSA nitrogen generator, which was verified and accepted by the State Ministry of Electronic Industry in the same year
In 1985, it developed the CMS carbon molecular sieve PSA nitrogen generator, which was awarded the first prize of advanced science & technology of Jiangsu Province in 1993.
In 1994, the advanced PSA nitrogen generator manufacture process and technologies were introduced from Germany.
In 1995, the advanced membrane separation nitrogen generator manufacture process and technologies was firstly introduced in from America
During the 6th Five Year Plan to 9th Five Year Plan period, Suzhou Purification Group had carried out many key gas equipments projects of the State
The company had jointly established some united research institutes (Chinese Academy of Sciences, Electronic Science & Technology University) with many scientific research institutes
3. Production Capacity
Suzhou Purification Group consists of a processing center, plate work center and assembly center which are equipped with many imported equipments. With more than 50 year experience in the manufacture of special electronic equipments, the company has the design and production capacity of 5-3500Nm3/h, and the purity of nitrogen reaches 99% to 99.999%.

4. Advantages of PSA Nitrogen Generators produced by Suzhou Purification Group
Compared with nitrogen generator produced abroad, such machine produced by Suzhou Purification Group has combined those advantages of products produced in Japan, German and America, boasting a high performance-price ratio.
The product purity may be adjusted through the change of flow rate;
It economically consumes the energy in either low pressure or normal pressure;
The equipment is simple in structure and may be conveniently maintained;
It’s controlled by a computer, practicing automatic operation.