Over Two Decades of Door Viewer Expertise: Proprietary Patents Safeguard Home Security

Founded in 2001 and headquartered in Tongzhou District, Beijing, Beijing Oupuoptic Instrument Co., Ltd. is a professional enterprise dedicated to the R&D, production and sales of optical door viewers (peepholes), with a plant area of over 2,500 square meters. Over the years, the company has focused on developing a full range of products, including plastic door viewers, brass door viewers, aluminum door viewers and fire-rated door viewers. Thanks to its self-developed optical lens systems, the products deliver clear light paths and wide viewing angles, earning trust from customers both at home and abroad.

In the field of fire safety, Oupuoptic’s independently developed “fire-rated and anti-theft door viewer” has been granted a national utility model patent. The fire-rated door viewer products have passed testing at the National Supervision and Inspection Center for Fixed Fire Extinguishing Systems and Fire-resistant Components, meeting Class A fire-resistance standards, providing a higher level of fire protection for engineering projects and households.

The company also continues to refine its surface finishing techniques, offering a variety of premium finishes including black pearl, antique bronze, red antique bronze, sand chrome, imitation gold plating, nickel brushed and polished brass brushed, meeting the aesthetic needs of different markets and applications. Driven by technological innovation, Oupuoptic (OPGX®) will keep delivering safer and more refined optical door viewer products to users worldwide.