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1997-2006

1997
November
• Wison (Shanghai) Chemical Engineering Co., Ltd. was registered.
 

1998
July
•  Wison obtained the first project, i.e. Shanghai Petrochemical Chemical Department VAC D252/253/405 rectifying tower technological upgrading.

1999
November
• Inception of the Wisoner, an in-house publication for promoting internal communication and development of corporate culture.
• Wison (Shanghai) Chemical Engineering Co., Ltd. was recognized as a 'Shanghai Hi-Tech Enterprise'.

2001
June
• Wison's first upgraded cracking furnace for Qilu Petrochemical Ethylene Unit Cracking Furnace Upgrading Project succeeded in trial operation.
September
• Wison (Shanghai) Chemical Engineering Co., Ltd. got DNV ISO9001:2000 certification.

2003
September
•  Wison (Nanjing) Chemical Co., Ltd. was established, expanding the Wison Group business into chemical production.
October
•  Wison Science and Technology Park was put into operation in Zhangjiang Hi-Tech Park in the Pudong New District, Shanghai.

2004
March
• Wison (Nantong) Heavy Industry Co., Ltd. was established to provide expert engineering and fabrication services for the offshore oil and gas market.
April
• Wison (Yangzhou) Chemical Machinery Co., Ltd., initially developed from the Jiangsu Xinhua Chemical Machinery Co., Ltd., was established supplying the primary products of high temperature compression furnace tubes and tube fittings. Its new factory in Yangzhou was put into operation in 2006.
•  The first session of the Wison Culture Forum was held with the subject of "Innovation, Challenge, and Personal Growth".
September
• Wison closed its tower internal business as part of a strategic transition from that sector.

2005
February
• Wison and Celanese Corporation signed a 15-year supply contract for carbon monoxide in Nanjing.
March
•  Wison (Shanghai) Chemical Engineering Co., Ltd. was awarded Class-A qualification as a general contractor for petrochemical construction by the Ministry of Construction, PRC.
May
• “ The "Wison Arts Center" was established and launched its first art exhibition.
December
• Wison undertook the construction of seven 110 KTA cracking furnaces as a part of a 1000 KTA Ethylene Renovation and Expansion Project for Maoming Petrochemical Co., the largest ethylene project in China at that time, achieved startup the following September.

2006
March
• Wison (Shanghai) Chemical Engineering Co., Ltd. Obtained ISO/CD14690 HSE certification, GB/T24001-2004 Environmental Management System certification, and GB/T28001-2001 OHSMS certification.
May
• Wison established a joint project management team in collaboration with Dalian Petrochemical Co, providing services for the 10000 KTA Russian Sulfur-bearing Crude Oil Renovation and Expansion Project on a PMC basis for the first time.
November
• The Lanzhou Petrochemical 700 KTA Ethylene Renovation and Expansion Project, delivered on a EM+PC basis, achieved a successful test-run.
December
• The technology center of Wison (Shanghai) Chemical Engineering Co., Ltd. was recognized as a 'Shanghai Enterprise Technology Center'.