Zhejiang Yumherald New Materials Co., Ltd. Established in 2008, it is a modern enterprise dedicated to the research and development, customization, and installation of high-end energy-saving door and window systems. The company takes“ Research first, quality first, sincerity as the root, people-oriented, and harmony as the value; For the core values of the enterprise, technological innovation is regarded as the core competitiveness, except for Italy's franchising; SECCO” Copper steel system, Germany; SCHUCO” In addition to the aluminum door and window curtain wall system, the company has successfully developed a series of products including copper, steel, copper wood, solid wood, wood aluminum (sunroom, curtain wall), aluminum wood, aluminum alloy, and fireproof windows.

In 2017, the company underwent a strategic transformation and entered the high-end retail market. In September 2018, the high-end retail brand "Yanji" was officially launched.

YanJi，Yumherald The private door and window manufacturing brand under the company, which integrates the world's top door and window resources, is a Chinese luxury home door and window customization expert brand. It proposes a new concept of "private door and window manufacturing", focuses on retail, takes consumer door and window needs as the innovative starting point, scenario based applications as the core concept, and a complete product line as the product support and rich technical accumulation as the service support. It comprehensively leads the iteration of customized door and window products and services, born according to changes and made according to needs.。