The aluminum-based and copper-based brazing materials independently developed by our company have been widely used in the double-bottom brazing of kitchen utensils since 1993, successfully replacing imported products, providing stable and reliable supply guarantee for many large domestic kitchen utensils enterprises, and effectively reducing procurement costs and time costs. The products are of excellent quality and sell well both at home and abroad, and have won the honorary titles of "Excellent New Products of Guangdong Province" and so on.