Taian City Taishanshen Geosynthetic Material Co.,Ltd annual output of geosynthetic material is up to 14500MT, it becomes a large-scale geosynthetic net and stretching grille enterprise in China. "Taishanshen" brand geosyntheric stretching grilles have been up to international standard, and enjoyed a good glory in foreign and domestic geosynthetic material professor, becomes the first choice for strengthening road, highway, railway, bridge large hole, dikes and dams of river.