In order to improve air quality and the environment producers of woodbased panels in many cities in Shandong province will be closed or required to undertake refurbished to new environmental standards.  The number of enterprises stopping production is rising mainly because production costs have risen because the government has strengthened environmental standards and is applying these vigorously.  The impact on production costs of rising raw material costs is also a factor.  As mills close analysts write that it is expected that prices for panels will rise and some shortages are likely in ...