The CISA has issued a circular to urge its members to sell their products to quake-hit areas at a fixed price prior to May 11, as part of a nationwide campaign to engage in anti-quake and disaster relief efforts.

The members' output of color coating sheet is understood to account for about 40% of China's total production.

Governments in half provinces and cities of the country have so far issued measures to temporarily intervene in or supervise prices of steels as raw materials to build tents and makeshift houses in the quake areas.