HUDECO is an aluminum snap frame manufacturer that has branded special frames (snap frames) under a long-term plan of more than 10 years. HUDECO is a company with the best technology in Korea in the field of basic picture frames, advertisement and promotional frames, and special frames for furniture and windows, and has about 100 types of snap frames and special frame models. Among these models, the INSNAP frame is a snap frame that eliminates lateral space interference when the cover is opened, and is a product that has expanded its utility to many fields. INSNAP frame is a patented product developed by HUDECO for the first time in the world, and patents have been registered not only in Korea but also in 7 overseas countries. In 2019, HUDECO started the mask business, the second item of HUDECO, as a countermeasure against fine dust from China. After launching with the brand K-SHIELD, K-SHIELD MASK has completed Korea KF94 certification, US FDA certification, and European CE certification. We manufacture and sell disposable yellow dust health masks made from 100% Korean raw materials. As of 2022, we have developed and launched the world's first three-color anti-fog mask, K-Shelter Tone-On-Tone Anti-Fog Mask. We have registered a patent for anti-fog, and we are currently composing a lineup of various colors in tone-on-tone colors.