Will the total share capital increase after the company's convertible bonds are converted into shares? How did this part of the stock come from? The outstanding shares have not changed.

The total share capital of convertible bonds entering the joint-stock company will definitely increase. When a company issues bonds, it raises funds. If the bonds are not converted into shares, the company will repay the debts. If they are converted into shares, the company doesn't have to pay off its debts. The money will be integrated into the market when the company issues new shares. So the number of tradable shares is definitely increasing.