Herman introduced advanced Germany windows and doors processing technology and equipments, co-operates with German designer Rams to design, select material strictly, standardize the production, and produces various styles, multi functional and intelligent door and window products, which are able to adapt to different requirements and architecture space. By adopting the combination of Germany hardware and our aluminum profiles, our products are more security, more aesthetic, more diverse and longer corrosion-resistant ability, and also bring more authenticity to your bedroom space.