The registration address of shandong east engineering materials ltd. Is located at the border between the western road and the one-day street of the tyangao new district in shandong province. The registration authority is the development division of the taian city market supervision authority, represented by the legal person zhang nam, and is engaged in the production and processing of earthworking materials (excluding dangerous chemicals); excavating soil-proof blankets, excavating soil-protected water cushions, diaphragms, excavated soil-resistant blankets, excavated earth-protected water panels, excavated earth-protected land, excavated membranes, composite membranes, woven earth-weaving fabrics, earth-engine fences, drainage grids, plastic-blind ditched materials, three-dimensional vegetation networks, drainage plates, corming pipes, mineral-based slabs, plastic-guard network, sandbags, sheltering bags, protection of excavated water, anti-water paints, excavated and technical goods are not subject to state trade. (if a licence is required, it is required to operate on the basis of a licence) (a project that is legally subject to authorization is subject to approval by the relevant department before operating)。