21 Engineering And Service Co., Ltd. The 21ES has been established in 2000 by team of engineer,science and technology with purposes
     to provide solution to  clients to help increase productivity and competitiveness.   We can adapt our knowledge and service to your demands.
     We provide science/engineering software, science training equipment, technical training equipment, practical training and consultancy to clients.
     Currently, clients included industrial organizations, schools, university and government organizations.
             "Be The Best" is our mission. Customer's satisfaction is always our first priority to meet and exceed customer's expectations for excellence,
     and therefore grow together with our clients. read more.