Unlike all of the lockable handles in the market, the lock device is put into the rossetle. Therefore, we can use all of our beautiful hand shanks, especially those slim shank, to achieve the function. In the past, the lock device is put into the shank, and made the complete handle a little bit coarse.
Finishing of the handle can be silver, black, white, and bronze.
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Starting from normal sliding windows and doors solutions, including roller carriages, locking systems and handles, our product range has been expanded to all kinds of window and patio door fitting systems, as well as electric ventilators and RWA system (smoke and heat extraction system with normal ventilation function). Our purpose is to provide systematic solutions for windows and doors fabricators, and curtain wall companies. Highest quality and perfect function to fit various requirements of modern buildings with modern architectural designs is always our target.
Our experience to cooperate with world-wide famous window and door fittings companies improved our quality control system. We are lunching products with special galvanizing technology, targeting at environment protection and high anti-rust levels. We even developed complete stainless stain steel (SS304) solutions for tilt-turn windows and transmission gears for wood and PVC windows and doors. Quality, humanization, environment protection are principles for technical research and development which forms the foundation of sustainable development of the company
HOPO in field of solutions for sliding windows and doors (including rollers, gears & handles, MA locks, butterfly locks) is the leading brand in Chinese market and some overseas market. Among the standard window fittings (tilt-turn, casement, top-hung, etc. for aluminum, wood and PVC profiles), HOPO tilt-turn and transmission gears made of stainless steel SS304 is the only one in the world at present, with highest anti-rust property, with ideas of environment protection and Recycling. The designs of HOPO lift-sliding and sliding-folding systems had completed from thorough study of all systems of top-brands in Europe, achieving the final optimized solutions with features of stable usage, easy adjustment and operation, maintenance-free. HOPO patent aluminum sliding folding system, SF65, is very attractive in the market. Ventilator and electric window opening systems have been supplied to the market with years’ experience.
HOPO technical service for application including profile design, hardware specifications, drawings for installation and adjustment are key points to ensure perfect function of HOPO fittings. Thorough technical clarification is the basis of all HOPO business.