For more than 30 years, K-TOP® (full company name: Zhejiang Rongwei Intelligence Science and Technology Co., Ltd )has been focusing on the R&D and manufacturing of stainless steel doors, and has accumulated plentiful experience and manufacturing technology. In 2018, it introduced the latest German manufacturing technology and launched slim face width series –small profiles with thermal insulation bridge. K-TOP® aims to produce profiles, casement windows, sliding windows , floor spring doors etc. out of steel and stainless steel. It fully implements modernized, date-based, intelligent and standardized management to meet customers’ needs for energy efficiency and personalized designs.