Our company establish in 1996, has set up many branches in Beijing ,Shanghai ,Shandong Guangdong and other area .It has been committed to manufacture of door and window profile, Hardware manufacturing and R&D technology. It is a comprehensive technology company. The company covers an area of 20,000 square meters and more than one million hardware handles are produced every year. The company has a number of patents, and its quality management system meets the requirements of GB/T9001-2016/ISO9001:2015 standards, and the products sell well at home and abroad