Our Certifications
Internationally recognized quality and safety certifications
Professional Manufacturer of Door Viewers and Lock Cylinders
Beijing Oupuoptic Instrument Co., Ltd. was founded in 2001. Our production facility is located in Zhongshan, Guangdong Province, covering an area of approximately 7,000 square meters and employing nearly 100 people. Our door viewers are exported to customers around the world, with markets covering Europe, the Americas, Southeast Asia and other regions.
Since its establishment, OUPU has remained committed to manufacturing high-quality products and providing professional, attentive services. Through consistent product quality and continuous service improvement, we have earned extensive customer support and established long-term, stable partnerships with customers worldwide.
In 2019, OUPU invested in a dedicated lock cylinder manufacturing facility. Equipped with an in-house R&D team, independent production workshops and experienced technical personnel, the facility specializes in the development, machining and production of Euro profile cylinders, American standard cylinders and high-precision components.
Following years of steady development, our lock cylinder products are now supplied to customers throughout Europe, the Americas, Asia and other international markets. The factory’s annual output has increased significantly from approximately 110,000 units at the beginning of operations to 800,000 units today.
OUPU has always adhered to its core business philosophy of providing customers with high-quality products and thoughtful services. This commitment has earned us widespread recognition and positive feedback from customers around the world.
Guided by our corporate culture, every member of the OUPU team maintains a customer-oriented approach. We continuously improve product quality, production efficiency and service capabilities to meet customers’ needs and provide reliable, efficient solutions.
We sincerely welcome customers from around the world to visit our factory and cooperate with us for a successful future.
Our Advantages
Professional manufacturing capabilities that create long-term value for customers worldwide.
Our Journey
Over two decades of growth and innovation in door hardware
OUPU Was Founded
Beijing Oupuoptic Instrument Co., Ltd. was founded, beginning its focus on the development and manufacturing of door viewers and related door hardware.
Lock Cylinder Manufacturing Launched
OUPU established a dedicated lock cylinder factory and expanded into Euro profile, American standard and precision component manufacturing.
Rapid Capacity Growth
Lock cylinder products expanded into global markets, while annual output increased from 110,000 to 800,000 units.
Serving Global Markets
OUPU now provides integrated door viewer, lock cylinder, master key and door stop solutions for customers worldwide.
Photo Gallery
A glimpse into our manufacturing facility and team