www.jlhmjj.com Professional Committee of China Timber Circulation mahogany woodwork Circulation Association has studied the development of "grade wood products," the Implementing Rules, in March 2013, the first pilot will cover Beijing, Tianjin, the Yangtze River Delta, Pearl River Delta and other key Regional and mahogany industry gathering area; in 2014, will cover all prefecture-level cities; January 1, 2015, will be in the whole country. As a long time there is no standard product grades, resulting in the production of wood products come out of nowhere and distribution, product quality varies greatly. Manufacturers no uniform grading standards, do not be strict quality control and management; when vendors sell wood products depends on a mouth, worse shoddy, harm consumers.