The court kept what they wanted and redistributed the remainder as part of their lavish gifts to officials, temples, and foreign rulers, and perhaps also selling some.Production ended when, or shortly before, the kilns were occupied by the invaders who overthrew the Northern Song dynasty in the 1120s, but the wares remained famous and highly sought after.Ru ware is perhaps the first "official ware" specifically commissioned by the imperial court.Their normal practice seems to have been to review the large quantities of "tributary ware" given to them by the provinces making ceramics, effectively as a form of tax.In January 2006 a number of daily sign-ups had reached 38,000. By the end of 2006 the general number of profiles in the database had hit a reported approximate 8-9 million, out of which 3.7 million were classed as 'active' (visiting the site at least once a month.At this time, an estimated 45-50 thousand users were ‘online’ at any given time, with user traffic per day of 1.5 million users.
The number of users hit a reported 9 million this year, with the income given as in excess of 300 million rubles.
Most have a distinctive pale "duck-egg" blue glaze, "like the blue of the sky in a clearing amongst the clouds after rain" according to a medieval connoisseur, The shapes include dishes, probably used as brush-washers, cups, wine bottles (carafes in modern terms), small vases, and censers and incense-burners.
They can be considered as a particular form of celadon wares.
By November 2009, the user base had reached 11.5 million people.
Daily about 2 million unique users were visiting the site, with more than 100 thousand users online at any time.