projects with above 3 years of construction period shall not enjoy this preferential policy.РArticle 8 For the industrial enterprises entering into Lanzhou New Area, if the average tax paid by them for 1 mu, which is converted from their actual total tax amount of that year, reaches RMB 0.1 million, 50% of the part of tax that shall be kept by the new area will be subsidized by the special reward fund of Finance Bureau of Lanzhou New Area within 5 continuous years since these enterprises have been put into operation; on a basis of RMB 0.1 million of average tax for 1 mu of land, for each increase of RMB 10,000 of average tax, the proportion that will be subsidized by the Finance Bureau will increase by 2%, till all the part that should be kept by the new area is awarded to the enterprises.