From architects and designers to real estate developers, leaders in the construction industry value product design that drives quality, smart building technologies that drive innovation, and quality materials that stand the test of time. For more than a decade, OTO has built an industry reputation for providing sustainable and comprehensive door and window hardware solutions, including a wide range of integrated hardware systems, safe and durable, as well as beautiful and functional series of open and close hardware.
Internal Open Down Suspension Hardware System
Internal Open Down Suspension Hardware System
Internal Open Down Suspension Hardware System
Dial Nail Type Outward Opening Window System
Indoor Casement Windows (c) Hardware System
Outdoor Casement Windows (c) Hardware System
Multi-point transmission handle series
Single point transmission handle series
Internal Open Down Suspension Hardware System
Internal Open Down Suspension Hardware System
Internal Open Down Suspension Hardware System
Dial Nail Type Outward Opening Window System
Indoor Casement Windows (c) Hardware System
Outdoor Casement Windows (c) Hardware System
Multi-point transmission handle series
Single point transmission handle series
Not only is OTO's reliability and functionality outstanding, but OTO's core technology comes from its deep roots in r&d, design and mass manufacturing. Have a deep understanding of functionality, raw material quality and cost generation. OTO currently has a complete product line covering a wide range of applications in the aluminum profile Windows and doors sector.
Not only is OTO's reliability and functionality outstanding, but OTO's core technology comes from its deep roots in r&d, design and mass manufacturing. Have a deep understanding of functionality, raw material quality and cost generation. OTO currently has a complete product line covering a wide range of applications in the aluminum profile Windows and doors sector.
No Noise
Comfort
Sealing
Security
Smoothness
Temperature
OTO has established long-term strategic partnership with many door and window manufacturers, star hotels and well-known real estate developers: OTO products of excellent quality, innovative design and cost-effective! OTO's outstanding performance in specialized products is a result of our commitment to ensuring product quality and developing and maintaining long-term relationships with our customers based on trust, integrity and communication.
Hefei - Chaohu City Garden
Hefei - Chaohu City Garden
Lingshui-Bishui Qingfeng Hotel
Lingshui-Bishui Qingfeng Hotel
Zhengzhou - dahe longcheng
Zhengzhou - dahe longcheng
Nanchang - UnionPay Building
Nanchang - UnionPay Building
Xiamen-Lu Cheng Building
Xiamen-Lu Cheng Building
Xiamen- International Business Center
Xiamen- International Business Center
Fuzhou - Rongxin Third District Green JNshan
Fuzhou - Rongxin Third District Green JNshan
Wuhan - rongqiao jincheng
Wuhan - rongqiao jincheng
Changsha - Huatian Hotel
Changsha - Huatian Hotel
Changsha - Xinguangdian Central Building
Changsha - Xinguangdian Central Building
OTO has established long-term strategic partnership with many door and window manufacturers, star hotels and well-known real estate developers: OTO products of excellent quality, innovative design and cost-effective! OTO's outstanding performance in specialized products is a result of our commitment to ensuring product quality and developing and maintaining long-term relationships with our customers based on trust, integrity and communication.
Hefei - Chaohu City Garden
Lingshui-Bishui Qingfeng Hotel
Zhengzhou - dahe longcheng
Nanchang - UnionPay Building
Xiamen-Lu Cheng Building
Xiamen- International Business Center
Fuzhou - Rongxin Third District Green JNshan
Wuhan - rongqiao jincheng
Changsha - Huatian Hotel
Changsha - Xinguangdian Central Building
