Research, development, production, and sales of geotextiles, geomembranes, geogrids, geocells, composite drainage nets, composite drainage boards, bentonite, waterproof blankets, waterproof boards, waterstops, waterstop strips, corrugated pipes, PVC pipes, PE pipes, plastic woven fabrics, plastic woven bags, flood control jute bags, leak-stopping bags, life jackets, life buoys, life-saving throwers, fiberglass boats, rubber boats, tents, gabion nets, steel cages, guardrail panels, isolation fences, slope protection nets, concrete admixtures, labor protection supplies, and outdoor equipment; concurrently engaged in: sales of emergency rescue materials and equipment, polyethylene foam boards, rubber and plastic products, disaster prevention tools, forest fire prevention materials and equipment, fire-fighting equipment and apparatus, safety protection equipment and gear, intelligent disaster relief equipment and instruments, pile drivers, flood control sub-dikes, cofferdam panels, embankment leak-stopping cloths, lighting and special lighting equipment, explosion-proof electrical appliances and tools, experimental instruments and equipment, environmental protection equipment and instruments, traffic facilities and equipment, water pumps and drainage equipment, mechanical equipment, engineering vehicle leasing, ductile iron castings, power supplies, water treatment equipment, electromechanical equipment, textiles, rubber products, flood control materials, steel and timber, hardware and electrical products, fiberglass products, building materials, geotextiles, drought relief materials, radio equipment, plastic products, mobile pump trucks, electronic products, dust removal equipment and accessories, fire-fighting supplies, special vehicles and large drainage vehicles, and import and export business of the company’s products.