The highest electricity tariff for Chinese miners is $ 0.13 per kilowatt-hour. However, according to Lu, operators can agree on prices to $ 0.03-which means that the mining will be profitable if Bitcoin's price remains above $ 3,869.
More information can be found on the link below.
https://cointelegraph.com/news/not-all-doom-and-gloom ..
Not All Doom and Gloom for Chinese Bitcoin Miners