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zibo tongrui environmental protection technology co., ltd. is a professional color pavement granule manufacturer integrating independent research and development, sales and construction. the company has gained a good reputation in the construction of color pavement materials. the products have the characteristics of: environmentally friendly, corrosion-resistant, radiation-free, anti-slip and wear-resistant, bright colors, high-end and beautiful, hard and firm, never fade, and long service life.