Environment-protection team check Yingkou magnesium oxide factory again, more than 70% factories stop production, and next week Environment-protection team from Central government may come too.

If next week those factory still stop production, magnesium oxide price may rise up, because it will be seriously short of supply.

This situation happens on every spring, March, April and May, the influence is market getting mess and prcie rise up, while when it's June, will be as normal.