1. Match 1997, Shenzhen E-Dowell Industrial Co., Ltd established.

2. 20th August 1997 ,the first DEX Electronic Exhibition was hold in the Shenzhen Convention&Exhibition Center, China ,and the sponsor is China National Electronic Device Corp .The exhibition area is 2,500 square meter, and 152 exhibitors took part in the exhibition .

3. 15th-18th August 1998 ,the second DEX Electronic Exhibition was hold in the Shenzhen Convention Exhibition Center, China .The exhibition area is 5,000 square meter, and 220 exhibitors took part in the exhibition .

4. 25th-28th December 1998,the third DEX Electronic Exhibition was hold in the Canton fair Complex . The exhibition area is 4,800 square meter, and 191 exhibitors took part in the exhibition .Chinese Institute of Electronic (CIE) start to be DEX Electronic Exhibition’s sponsor.

5. 16th-19th August 1999, the fourth DEX Electronic Exhibition was hold in the Shenzhen Convention Exhibition Center, China ,and the sponsor is Chinese Institute of Electronic (CIE). The exhibition area is 7,600 square meter, and 286 exhibitors took part in the exhibition

6. 5th-8th April 2000,the first DAX Advertising Exhibition &DPX Printing Exhibition were hold at the same time .

7. August 2001, E-Dowell established information department to collect buyers’ information.

8. 25th-28th Match 2002, the ninth DEX Electronic Exhibition was hold in the China Hi-Tech Fair Center. The exhibition area is 8,600 square meter, and 382 exhibitors took part in the exhibition .The former minister of Ministry of Electronic Industry Qian Min and leaders from China Ministry of Information Industry , China Science Association , Shenzhen People’s Government have attended the exhibition opening Ceremony.

9. Match 2002, DEX Electronic Exhibition was listed as one of the largest and mostly supported fair by China Ministry of Information Industry , Ministry of Science and Technology of PRC, Chinese Institute of Electronic (CIE), Shenzhen People’s Government .

10. July 2002, E-Dowell established the large data exchange website -- E-Dowell electronic exchange website first(www.e99999.com),we will provide the secondary domain website with value of 30,000RMB for exhibitors free.

11. 2002, E-Dowell was chosen as administrative director of Shenzhen exhibition industrial association.

12. 2003, E-Dowell electronic exhibition changed from twice per year to once per year .

13. 1st –4th April 2003, the eleventh DEX Electronic Exhibition was hold in the China Hi-Tech Fair Center, The exhibition area is 10,000 square meter, and 406 exhibitors took part in the exhibition. Ministry of Science and Technology of PRC started as E-Dowell electronic exhibition ’ approval department. Chairman of International Production Technology Association and chairman of Germany PCB &SMT Association attended the exhibition opening Ceremony.

14. 2003,DEX advertising trade web (www.ad555.com) and DEX printing trade web (www.p66666.com) were established.

15. 18th-20th February 2004,the twelfth DEX Electronic Exhibition was hold in china Hi-Tech Fair Center. The exhibition area is 10500square meter, and 412 exhibitors took part in the exhibition .

16. 18th-20th February 2004, the fifth DAX advertising Exhibition and the fifth DPX printing Exhibition was hold in china Hi-Tech Fair Center. .The exhibition area is 7,100square meter, and 250 exhibitors took part in the exhibition .

17. August 2004, DEX Electronic Exhibition was classified as one of the “the top-ten exhibition of Shenzhen”.

18. 31st match –2nd April, the sixth DAX advertising Exhibition and the sixth DPX printing Exhibition was hold in china Hi-Tech Fair Center. The exhibition area is 16,000square meter, and 308 exhibitors took part in the exhibition .

19. 23rd-25th June 2005,the thirteenth DEX Electronic Exhibition was hold in china Hi-Tech Fair Center.. The exhibition area is30,000 square meter, and nearly 800 exhibitors took part in the exhibition .

20. November 2005 , the DEX Electronic Exhibition was awarded the prize of "the best representative of 25-years development in Shenzhen city“.

January 2006,the large trade website of DEX Electronic website(www.e99999.com) has been revision successfully.

22. 6th –8th April 2006, the seventh DAX advertising Exhibition and the seventh DPX printing Exhibition was hold in Shenzhen Convention & Exhibition Center. The exhibition area is30,000 square meter, and more than 500 exhibitors took part in the exhibition .

23. 19th –21st June 2006,the fourteenth DEX electronic Exhibition was hold in Shenzhen Convention & Exhibition Center. The exhibition area is60,000 square meter, and more than 1,000 exhibitors took part in the exhibition .