as the saying goes, innovation is productivity. rifeng has founded two research institutes, named the national technical center and the cnas certification laboratory. r&d investments are increasing year after year, thanks to international talent, precise testing instruments, and cutting-edge hardware. it takes years to test countless design proposals and conduct material selections in the spirit of innovation. over 300 r&d professionals have spared no effort to challenge industrial boundaries. by 2018, the r&d team led by dr. li baiqian, the state council's special award expert, had completed more than 20 national, provincial, and municipal technological projects, earning 560 patents and 20 technology awards. they have made positive contributions and promoted the development of the industry. and this innovative passion has perfectly presented our commitment to high-quality products and outstanding service.