Casement is suitable for high humidity and hot area, especially in Britain, the United States, Southeast Asia, south of the Yangtze River, and its amount of usage is 70% more than that of side hung and slide window. After comprehensive and rigorous analysis of casement in China and Southeast Asia, HOPO bring in American-style and European-style hardware, combining with China's marketing demands, constantly improve the solution.

Reasonable structure, excellent quality, and whole-process technical support and service are the highest standard basis to improve the physical properties (air tightness, water tightness, capacity to bear the wind load, heat-insulation), mechanical properties (open and closed force, repeated on-off performance, security). 

HOPO casement hardware including:

1、According to profile: aluminum casement, wood casement and PVC casement;

2、According to installation method: with hardware groove(16mm, 15/20mm);
without hardware groove;

3、There is five types of handle and locking system;

4、Friction hinge and sash support adopt 304 stainless steel.