SUJING is a state-owned enterprise based in China that has been in the gas sector for approximately 53 years. It focuses on the design, development, manufacturing, and maintenance of N2 and O2 generation systems, catering to a global clientele.1. Suzhou Purification Group—Chuangyuan Science & Technology (listed stock code 000551 on the Shenzhen Stock Exchange): Comprehensive Strength- Established in 1969, it is a significant state-owned business today. 1994 saw Gate break into the top 100 new-high national technical businesses (No. 59).520 important State-owned large or medium-sized businesses experienced a gate crash in 1999."- With the largest domestic gas equipment user group, the largest pressure swing adsorption (PSA) nitrogen production firm now operating in China; products widely disseminated over more than ten nations and districts, including Asia; The only homegrown business in its industry with advantages over competitors on the international stageThe first in the domestic gas equipment manufacturing business to pass the ISO9001: 2000 International Quality Certification System is comprised of a national purification technology research center and a state-level doctor work station.2. Development Milestones: With a 53-year history, the company has extensive experience in the manufacturing of gas equipment. Since 1983, all economic indexes have increased by 20%. The company has made the manufacturing of industrial gas equipment its primary industry. The company began researching PSA nitrogen generators in the early 1980s. In 1985, it successfully promoted the first 5A molecular sieve PSA nitrogen generator, which was approved and verified by the State Ministry of Electronic Industry the same year. In 1985, it developed the CMS carbon molecular sieve PSA nitrogen generator, which won the Jiangsu Province's first prize for advanced science and technology that year."- The cutting-edge German manufacturing techniques and technologies for PSA nitrogen generators were introduced in 1994."- The improved membrane separation nitrogen generator manufacturing technique and technologies were initially brought to the United States in 1995.Suzhou Purification Group carried out numerous important gas equipment projects for the State between the sixth and ninth five-year plans. The company also established several united research institutes (Chinese Academy of Sciences, Electronic Science & Technology University) in collaboration with numerous scientific research institutes.3. Capacity of ProductionThe Suzhou Purification Group is made up of three facilities: an assembly center, a plate work center, and a processing center. All three facilities include a lot of foreign equipment. The company has over 53 years of experience in the creation of specialized electronic equipment. Its design and production capacity is 5-3500 Nm3/h, and its nitrogen purity ranges from 95% to 99.999%.