* Raises main product prices by 200 yuan/T
* The third monthly increase in a row for this year
* Other mills could follow with bigger price increases
SHANGHAI, Jan 22 (Reuters) – China’s Baoshan Iron & Steel (Baosteel), the country’s biggest steelmaker by market value, said on Tuesday it has raised March booking prices for its main steel products, a move suggesting it sees a firmer outlook for steel demand in the first quarter.(…)