From Jan. to Sep. in 2012, the main business income of stone enterprises above designated size increased 25.3% year-on-year, and the total profit increased 29.3%. This ratio respectively increased by 0.1 and 1.3 percentage points than the ratio from Jan. to Aug.

Since May 2012, the total profit of stone enterprises above designated size was negative growth for three consecutive months month-on-month, while the main business income were negative growth except for June. However, the main business income and the total profit of stone enterprises above designated size kept continuously positive growth month-on-month when entered August and September. Among them, the main business income increased 4.5% and the total profit increased 5.9% month-on-month in August. The main business income increased 7.8% and the total profit increased 4.6% month-on-month in September.