Smart Lock & IoT Security Solutions
Premium passive smart locks, IoT lock systems, and smart manhole covers engineered for maximum security, durability, and seamless integration across logistics, power stations, data centers, and smart buildings.
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Premium passive smart locks, IoT lock systems, and smart manhole covers engineered for maximum security, durability, and seamless integration across logistics, power stations, data centers, and smart buildings.
A leading Chinese manufacturer of intelligent locking systems, integrating R&D, design, production, and global sales under one roof.
Located in Guangdong, China, Ruiai (Foshan) Technology Co., Ltd. is one of the largest intelligent lock manufacturers in the country. With over 10,000 square meters of production space and ISO-certified operations, we deliver industry-leading quality and reliability.
Our expertise spans passive smart locks, IoT lock management systems, electronic keys, and smart manhole covers. We support OEM and ODM partnerships and offer full customization to meet unique client requirements.
Engineered for security, durability, and smart integration across industries.
Stainless steel construction with anti-theft, waterproof, and corrosion-resistant design. Ideal for outdoor and industrial use.
Real-time monitoring, tamper alerts, and GPS tracking via NB-IoT connectivity. Perfect for urban infrastructure security.
Keyless access with fingerprint recognition. IP65 rated, suitable for cabinets, lockers, and outdoor enclosures.
Remote access control via 4G and Bluetooth. Ideal for data centers, telecom cabinets, and secure storage.
Multifunctional passive padlock system for logistics and fleet management with master key control.
All-in-one smart door lock with fingerprint, password, and app control. Suitable for residential and commercial buildings.
Durable zinc alloy construction for office cabinets, wardrobes, and household furniture. Customizable designs available.
Sleek design for glass doors with touchless access. Supports app control and audit trail logging.
SUS304 stainless steel, anti-tamper design, and biometric authentication ensure maximum protection.
Optimized circuitry with anti-static, anti-magnetic, and temperature-resistant performance.
NB-IoT, 4G, and Bluetooth connectivity for real-time monitoring and remote access control.
Custom development, branding, and packaging for enterprise and government clients.
A passive smart lock operates without constant power, using electronic keys or mobile apps to unlock. It records access logs and enhances security without wiring.
Yes, we offer full OEM and ODM services including custom design, packaging, firmware, and branding for bulk orders.
Our IoT-enabled smart manhole covers are used in urban infrastructure, telecom, power grids, and municipal management for real-time monitoring and theft prevention.
Visit cratlock.com to explore products and contact the team directly for inquiries.
Reach out for product inquiries, partnerships, or custom solutions.
Phone: +86 13129084848
WhatsApp: +86 13129084848
WeChat: 13129084848
Address: 604-605, Building 9, Zhongjian International Innovation Smart City, Ronggui Town, Shunde District, Foshan, Guangdong, China 528305
Website: cratlock.com
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