Vanke guests to visit our company
On December 8, 2017, the Chengdu-Chongqing Recruitment Center in the western region of Vanke Real Estate Company recently launched an activity to enter suppliers. This activity entered our company, Chengdu Mailong Electric Co., Ltd. The purpose of this activity is to understand Mellon Electric and to hold a regular management meeting of Chengdu-Chongqing Recruitment and Mining Center.
Common war "epidemic" common responsibility
The prevention and control of the new coronavirus infection pneumonia epidemic is at a critical moment. Sichuan Provincial Market Supervision and Administration Bureau resolutely implements the spirit of General Secretary Xi Jinping's important instructions on epidemic prevention and control and the decision-making arrangements of the provincial party committee and provincial government.
Litang County Party and Government Investigation Group to Our Company
On the morning of June 14, Zheng Xianfeng, head of Litang County, led a delegation of Litang County People's Government to our company for on-the-spot investigation, accompanied by Wu Hao, deputy head of Xindu District. General Manager Xiao Yong, Deputy General Manager Yang Zhonglong, Chief Assistant He Qiusheng, Chief Engineer Zhang Chuan and Administrative Director Cui Wei attended the reception.
Business Intelligence Building Industry
Intelligent environmental protection building refers to the use of wind power generation system, photovoltaic power generation system, photoelectric curtain wall system, car charging station system, healthy new wind system, daylight lighting system, shading and heat insulation window technology, building intelligent system and other 8 energy-saving measures of new energy-saving building.
Chemical industry and new energy industry
1), the load type of the above industry is mainly power electronic rectifier power supply and variable frequency speed control device will produce 5 times, 7 times, 9 times, 11 times, 13 times and other harmonics, with the popularity of 12 pulse and 24 pulse rectifier, low harmonics gradually reduced, 23 times, 25 times harmonic current gradually increased;
The harmonic sources of urban subway traffic can be divided into two major electrical equipment: 1), high-order harmonics generated by high-voltage 35KV side traction rectifier inverter device, the dominant harmonics are 11, 13, 23 25 times;