Yijiagu New Materials Technology Co., Ltd. was established in 2008 with a registered capital of 60 million yuan. It is located at No. 8, Huangshan Road, Songshan Industrial Park, Qixia, Yantai City, Shandong Province. It covers an area of ​​25,000 square meters and produces internal and external aluminum plates of 600,000 square meters. , is a member unit of Yantai Private Entrepreneurs Association and a member unit of Yantai Building and Decoration Association. Since its establishment, the company mainly manufactures energy-saving aluminum products such as "Yijiagu" brand fireproof partitions, aluminum veneer, partition wall, corrugated board, honeycomb board, steel door, thermal insulation integrated board, ceiling, purification board and other energy-saving aluminum products. It is an environmentally friendly new material and an emerging composite material. It is widely used in interior and outdoor decoration projects of architectural curtain walls, gymnasiums, airports, hospitals, subway stations and high-rise buildings. It has 3 patented utility model technologies. The product was the first to be rated as a famous brand in China; recommended products for green and environmentally friendly building materials in China; the top ten influential brands in China's aluminum curtain wall panel industry (2010); passed the ISO9001-2008 international quality management system certification, and passed the ISO14001-2004 international environmental management system certification .