Shenzhen KEYU Co., Ltd. is a professional input device supplier that integrates research and development, production, sales, and after-sales support. We provide various types of metal keyboards and positioning devices. Our products are sturdy and durable, dustproof, waterproof, and explosion-proof, and can be applied in harsh environmental conditions. It has been widely used in special fields such as finance, industry, communication, military industry, oil field, maritime, education, healthcare, security, transportation, aviation, coal mining, chemical industry, petroleum, food, etc., with customers in more than 150 countries around the world.