Fanyi technology is a professional manufacturer of automatic customization for doors and Windows in China. Starting from the first generation of single-gun welding machine, after six years of research and development, it has developed to the fourth generation of products and accumulated rich experience in the welding process of doors and Windows. In 2016, the first dual-gun welding machine was developed in China, which greatly improved the welding efficiency and reduced the welding deformation problem, leading the development direction of aluminum cladding wooden window welding at home and abroad, and has been in the leading position in the industry.