Yantai Gaohong Hydraulic Technology Co., Ltd. is located in Yantai Economic and Technological Development Zone. It is mainly engaged in the R&D, production and sales of engineering machinery, ships, agricultural machinery, coal hydraulic, aerospace and military hydraulic products. The company has an international and domestic professional research and development technical team with high precision and production, processing and testing equipment.In 2013, the company introduced foreign hydraulic pilot technology and developed and produced hydraulic pilot series products. At present, the company's own brand "GH" hydraulic pilot handle has obtained more than 30 national patents, and has been approved as a national high-tech small enterprise and high-tech enterprise. The product completely replaces the import. The company has passed the ISO9001-2015 quality management system certification, and has successfully supported more than 50 domestic main engine plants of large and small size, with the domestic market share ranking first. In 2019 and 2020, the company has successively won the national top 30 and global top 50 high-quality suppliers of construction machinery parts.