The 3rd, the means that entrance Russia lumber carries with steam sends past China inland to carry relative to railroad past inland is relatively convenient and quick, economic material benefit. The 4th, importer adjusts product structure in time according to domestic client demand, if had last year,vinyl decking over existing deck comparative ice cream club of the amount is imported, and ice cream marvellous delicacy has an import this year, those who replace is birch veneer. The cause of many sided is common action,composite tounge and groove boards dealer promoted highway to import lumber to grow considerably continuously. Import the state that lumber adds continuously according to highway port, full continent in business part room adopts measure to be answered actively related the bureau. One party undertakes to the lumber of gray grooved capped composite decking board application the entrance sufficient epidemic situation is analysed, combine spot quarantine result, to highway port the low risk product such as entrance board square carries out sampling observation, accelerate involve rate; On the other hand, fulfil 5+2 duty. The breathing space such as sacrificial holiday, accomplish follow along with put. easy install a wooden fence What adopt all sorts of answering that be opposite to measure full continent in highway port lumber kind particular stimulative function arrives since the entrance of commodity.