UMBRA is a high-tech enterprise integrating R&D, production, sales and technical service. Since its establishment, UMBRA has always been adhering to the concept of “technology empowers infrastructure, quality guards safety”, adhering to the “customer-centered innovation as a means of survival by quality”, focusing on the innovation and promotion of cement pavement repair materials and waterproofing materials, and is committed to providing efficient, environmentally friendly and durable solutions in the fields of municipal engineering, highway maintenance, construction engineering and so on. We are committed to providing efficient, environmentally friendly and durable solutions for municipal engineering, highway maintenance and construction projects.