Among these products, intra-industry trade index of paper and paperboard, plywood, fiberboard, is relatively higher than that of sawnwood, particleboard and furniture.

• 在六类产品中,相对而言,纸和纸板、胶合板、纤维板的产业内贸易指数较高;而锯材、刨花板、家具的产业内贸易水平较低。