Hardcore Intelligence (Shenzhen) Technology Co., Ltd (Brand: BIG WALNUT) was formally established in May 2020 and headquartered in Shenzhen. It is a high-tech company mainly engaged in the production of explosion-proof communication equipment and related services, focusing on explosion-proof for a long time Industry product development, production, and product marketing. The main products are explosion-proof communication terminals, explosion-proof mobile phones, explosion-proof tablets, explosion-proof smart walkie-talkies, three-proof communication terminals and other equipment, which have been approved and registered by the national industry and commerce department. Its application areas cover public transportation: air transportation, rail transit, military police use, energy and electricity, surveying and mapping industry, petrochemical industry, coal mining, smart medical care, smart city, smart safety supervision, smart production, smart manufacturing, forestry and fishery, integration In the fields of communication, emergency rescue, etc., there are many types of products, and the one-stop service that satisfies users only provides customers with high-quality mobile terminal products and services.