
| Class |
Application Area |
| Class A15 |
green belt, no motor vehicles on sidewalks and other areas |
| Class B125 |
sidewalks, non-motor vehicles, car parking and underground parking. |
| Class C250 |
residential district, street and lane, only light vehicle or car traveling area, the road on both sides of curbs within 0.5m |
| Class D400 |
City main road, roads, highways and other areas. |
| Class E600 |
freight stations, docks, airports and other areas |
| Class F900 |
airport runways and other areas. |


Our Advantages
Our company occupied area over 13000 square meter, and has more than 100 employees. The annual production capacity is over 3000,000 pieces. It is a leading enterprise in the northern region for high-molecular composite resin manhole covers, trench covers, and drainage channels. Shandong Zetao Composite Materials Co., Ltd. is a comprehensive enterprise integrating innovation, research and development, production, and sales of composite energy-saving materials. The company's main products include composite resin manhole covers, water channel covers, cable trench covers, resin drainage channels, cable supports, warning signs, marking posts, guardrails, finished drainage channels, and more than 100 types of products. These products are widely used in municipal construction, real estate development, gardens, energy, power, communication, intelligent transportation, and other fields. The advantage of products is high strength, high hardness, light weight, corrosion resistance, anti-aging, heat resistance, and theft prevention, and have been well tested in the market.
