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 ISO9001: 2000 International Qualify Certification System in the domestic gas equipment manufacturing industry

Asia ，
EUROPE

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

CARTON LIMITED
NOVTEX LIMITED
INTERNATIONAL STEEL
NATIONAL REFINERY LIMITED

SUZHOU SUJING PROTECTIVE ATMOSPHERE CO.
LTD