3 way 1 inches solid steel boltwork

Overall 4.3 inches thick composite door

Drill resistant hard plate to protect the lock body

Additional hard plate deter bolotwork attack from side

Spring loaded relocking system

30 minutes fire resistant (factory test)

Predrilled 4 anchor bolt holes, hardware incl

Durable powder coat textured blackuded

Nanjing Duotai Smart Technology Co., Ltd., established in 2001 and headquartered in Nanjing City, Jiangsu Province, is a leading designer and manufacturer of electronic locks, mechanical locks, gun safe cabinets, safe boxes, tool cabinets, and a wide range of security products. With over 20 years of industry experience, the company has established itself as a trusted and innovative supplier in the security solutions sector.

Strategically located just one hour from Shanghai, Nanjing Duotai Smart Technology operates advanced production facilities equipped with cutting-edge technology and staffed by skilled professionals. The company is deeply committed to innovation and quality, adhering to international quality management standards to ensure the highest level of customer satisfaction. By continuously developing original innovations tailored to market trends and customer needs, Nanjing Duotai maintains its competitive edge, offering cutting-edge and practical security solutions.

The company’s products are distributed globally and have earned widespread recognition for their superior quality and excellent after-sales service. Backed by a professional R&D team and holding numerous patents, Nanjing Duotai excels in providing customized design and manufacturing services based on customer specifications. Both ODM and OEM orders are welcomed, ensuring flexibility and adaptability to meet diverse client requirements.

Nanjing Duotai Smart Technology Co., Ltd. warmly invites partners from around the world to visit and explore opportunities for long-term, mutually beneficial cooperation. We look forward to welcoming you and building a successful partnership together. Thank you!