
- Handan Topmetal Co., Ltd.
- Seamless Steel Pipe, Threaded Hollow Bar, Fully Threaded Bar, Post Tensioning Bar, ERW Pipe, Micropile Tube, Prestressed Concrete Steel Strand, PC Strand, Rock Bolt, Nut
Hebei

- TINHY GEOSYNTHETICS CO., LTD.
- Geomembrane, geotextile, GCL, geo composite drainage board, geofilter
Shandong

- Dezhou Hongqian Industries Co., Ltd.
- Rainwater Storange Module, Geomembrane, Geocell, Geogrid, Drainage Geonet, Erosion Control Blanket, PP Big Bag, Geotextile Nonwoven and Woven Type
Shandong

- TAI'AN CITY RUIHENG BUILDING MATERIALS CO., LTD
- HDPE Geomembrane, Dam Liner, Geocell, Geomembrane Welding Machine, Geomat, Roots Blower, Paddle Wheel Aerator, Geotextile, Geogrid, Pond Liner
Shandong

- Pennplan Co., Ltd
- Geomembrane, EPDM Pond Liner, Geocell, Concrete Blanket, PVC Pond Liner, Scaffold Safety Net, Other Geosynthetics Materails
Shandong

- Dezhou Huaxiang New Material Technology Co., Ltd.
- Geomembrane, Geotextile, Geogrid, Drainage Board, Drainage Net, Geosynthetic Clay Liner Gcl, Geocell, Geo Bags, Geomembrane Welding Machine, Cement Blanket(Gccm)
Shandong

- Taian Wdf Polymer Composites Co., Ltd.
- Geotextiles, EVA Waterproof Boards, Composite Corrugated Drainage Mats, Three-dimensional Composite Drainage Network, Plastic Blind Ditch, Seepage Drainage Mesh Pad, Reinforced Mike Pad, PVC Capillary
Shandong

- Dezhou Yurun Geomaterials Co., Ltd.
- Geomembrane, Geotextile, Filament Geotextile, Pond Liner, Grass-repellent Cloth, Drain Board, Geocell, Drainage Network
Shandong