There are three main glow in the dark stones

 First, the current impact of the European debt crisis is still the continuation of debt recovery and development of the manufacturing sector will take time , domestic housing market is still sluggish , on the iron market will have a direct impact ; second , affected by domestic realglow photoluminescent exit signs , rising energy prices , the slowdown in the steel industry , the material needed for the production of iron oxide reduction in scrap metal , will result in raw material prices . Coal , electricity and driveway gravels prices and acid, alkali and other chemical products prices, will make the product costs continue to increase ; Third , continue to release new capacity in the return of U.S. manufacturing background , some domestic companies are realglow photoluminescent paint suppliers , expanded production projects . The new incremental continue to gush , making it difficult to fall in business inventories , short-term domestic and foreign markets is difficult to recover, market competition will continue to intensify.