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Our team of experts diligently analyze and carefully select raw materials among different countries in order to pick out the best and most suitable materials for any and every product. Moreover, we have years of experience in making products with high quality, high cost performance and easy maintenance.
We use the most state-of-the-art devices in production, such as high-end imported blow molding machines, rotational molding machines. Under our stable process and quality control system, we ensure that our eco-friendly, gas-proof products are able to withstand outdoor exposure, strong acid, and prevent water penetration.
With our excellent staff, durable, well-chosen, eco-friendly materials, stable, advanced production line, rigorous quality control system, Topper provides the best and most reliable photovoltaic products for our customers, which is easy to install.
Our company is always ready to solve PV mounting questions for customers.