Control panel and maintenance fan

Every year these are off-season in the mining industry, and many customers have stopped machine maintenance.   
These two orders are goods from different customers in Russia and the United States.   
There are maintenance heat exhaust fan and H6 control board and H6 control board chip.   
Editor is still very pleased, in this off-season sales, customers still believe us, give us Whatsminer Parts orders, is the affirmation and support of HiYomei.