Feicheng Lianyi Engineering Plastics Co., Ltd. owns the German KARLMAYER high-speed warp knitting machine The MALIM0 multi axial loom, DONAIL loom, and two bidirectional grille production lines, as well as two unidirectional grille production lines, have mastered the coating technology of Menzel Company. The company mainly produces and operates various engineering materials such as plastic geogrids, fiberglass geogrids, three-dimensional geogrid mats, geogrids, geogrid chambers, geotextiles, composite geomembranes, etc. The product is mainly used in fields such as highways, railways, water conservancy, electricity, soil and water conservation, as well as environmental greening and infrastructure construction. It has been widely applied in many engineering projects and has been highly praised by engineering experts and users.