Dolang passed ISO9000,ISO14000,GB/T28000 certificate
Dolang is a manufacture in education equipment for 12 years and we have a good reputation in this aera and we have passed 14 patents.We promise good quality and reasonable price.
Dolang take German technique,Korea know-how,and chinese manufacture.
Dolang was established in ShanDong Industry University in 1998.
Dolang was appointed as production basis of Chinese Ministry of Education in 2003.
Dolang was recognized as Shandong High & New Technology Enterprise by Shandong Science and Technology Office in 2006.
Dolang became a member of Chinese Vocational Education Equipment Committee in 2006. 
Dolang became a member of Jinan International Technology Corporation  Institution in 2007
Dolang successfully held the Competition For ShanDong Vocational Education College in 2009.