The core competitiveness of products must be technological innovation, so we pay special attention to technological upgrading and innovation. It is one of our goals to be able to research and develop new products continuously, so that our products can be ahead of our peers in terms of cost, design, and quality. We have our own R&D center and product testing laboratory. Every year, we invest a lot of money in R&D of new products. Each part of our products has been carefully designed, so that they can have a leading position in the industry.Product R&D