Dolv was gone through with a fine toothed comb by FINRA for 7 straight months. There was nothing found and there is no cleaner company out there, therefore no scam.
Actually the population of the district is 48.38 million people, avg. income is 473.00US (per citizen) per month which is a little below the avg. citizen of China. They have acquired additional offices in the same building in Beijing and also now have a showroom there. All info is based on 2016 figures and you can google this information.