Will the facilities be frozen when the winter heating stops in Heilongjiang area?

No, generally, after the heating stops, the possibility of freezing cracks in indoor pipes or floor heating pipes is still relatively small, and facilities will not be frozen. Heilongjiang Province, referred to as "Hei" for short, is the provincial administrative region of People's Republic of China (PRC), Harbin. Heilongjiang Province is located in the northeast of China, facing Russia across the river in the north and east, bordering Inner Mongolia in the west and Jilin Province in the south. It is the northernmost and easternmost provincial administrative region in China.