In the first half of this year, Shandong Province achieved a total import and export value of 701.83 billion yuan, and the quality improvement of foreign trade showed many bright spots. The structure of Shandong's export commodities has been significantly optimized, and the proportion of exports of mechanical and electrical products has increased. In the first half of the year, Shandong exported 163.07 billion yuan of mechanical and electrical products, an increase of 3.7% , accounting for 39.9% of the province's total export value during the same period, an increase of 1.8 percentage points over the same period last year. The structure of imported goods has been significantly upgraded. In the first half of the year, the import of high-tech products in Shandong increased by 3.9% , and the imports of computer and communication technology, aerospace technology and materials technology increased by 25% , 1.1 times and 22.1% respectively , effectively promoting the economic structure of Shandong related industries. Optimize the upgrade. Bimetallic twin barrel and screw : Conical Twin Screw For SPC Floor,Conical Twin Barrel For SPC Floor,Conical Twin Screw Barrel SPC Floor ZHEJIANG JINJIA PLASTICS MACHINERY CO., LTD , https://www.jinjiascrew.com