How many days does it usually take to arrange an on-site measurement in Mentougou District?

Mentougou District in Beijing is within our confirmed service area. On-site measurements are usually arranged within 1–7 days, depending on the schedule for that week. After confirmation, we will contact you by phone in advance, and on the day of measurement we will re-measure on site once. On-site measurement is free of charge; no measurement fee is collected.