Jilin Administration for Industry & Commerce released the result of selective examination for three kinds of wood-based panel: 30 samples from 20 manufactories in two areas of Tonghua and Baishan were examined, and merely 6.6% of them were proved qualified. There exists serious problems in plywood prodcts for six samples are all disqualified in intension, and five of them with formaldehyde releasing problems and rest are with measurement problems;  among 16 blockboard samples, four of them are disqualified in formadehyde releasing volume, and 15 of them are disqualified in physics indexes, appearance and measurements; Five from six density fiberboard samples are disqualified in physics indexes.