A High Voltage Dc Contactor is an electrical switching device used to control the opening and closing of high voltage DC circuits. Its working principle is to make the contacts close or break by elect...
Circuit Breaker is an automatic switching device used to protect circuits and equipment from overload and short circuit. When the current exceeds the safety limit, the circuit breaker automatically cu...
Recently, the construction of Dongya's new laboratory was completed and put into use. The field construction and equipment installation took more than two months, with a total investment of several millions yuan,...
Mr. Jin, Director of the Employment Department of Yangtze University, and his four colleagues came to our company to discuss matters related to school-enterprise cooperation on November 29, 2018.Assistant Genera...
On Mar. 31st, 2019, Dongya organized the first Team-Building Activity. Members from each department gathered together early this morning. The meaning of this activity is to enjoy the beautiful scenery, relieve the pressu...
English 
한국어
