The company jointly cooperates with state-level key Geotechnical Engineering Research Institute of Hehai University on research and assimilation of new technologies and products. Professor Wang Baotian, a tutor of doctoral student serves as chief engineer of the company. With technical support of the institute, Haiyan develops new products and technologies as well as applies new technical fruits in engineering constantly.

　Our products cover vibrating string sensor and relevant apparatus and geotechnical materials, including over 200 varieties from over 30 series, such as anchor cable strength measurer, reinforcing steel ergometer, earth pressure gauge, pore pressure gauge, cement stress gauge, strain gauge, displacement meter, fluviograph hydrological gauge, joint meter, clinometer and intelligent frequency measurer as well as diverse specifications of grouting tube, subsidence tube, inclination measuring tube, water level tube, geomembrance, plastic blind ditch, non-watertight hose, geogrid. The company constantly develops new products to cater for market trend constantly and accumulates rich development experiences. Our products become supreme.

　Our products are applied in lots of state key engineering: Dayawan Nuclear Power Plant, Lianyungang Nuclear Plant, Shanghai International Airport, Guangzhou Subway, Yangpu Bridge, Qianjiang Bridge, Huning Expressway, Hangjinqu Expressway, Shanghai Jinmao Tower, Huainan Mining Bureau with good comments of experts and users. Our products are recommended by relevant research institutes and high educations with good fame in this sector.

　The company manages several entities, including Changzhou Geotechnical Sensor Research Institute , Haiyan Engineering Apparatus Factory, Far East Geotechnical Materials Factory. The latter two entities also server as postgraduate exercitation base of both Geotechnical Engineering Research Institute in Hehai University and Southeast University.  We have several doctoral student tutors and professors, and above 60% in total staffs are medium-and-senior technicians with experienced field engineering team. On top of that, the company boasts full range of R&D, production and inspection equipment, mature production technique and complete quality guarantee system, abiding by ISO9001 quality management system in every step in production and services. We always persist to the “market-oriented” guideline and take customers' demands as the first priority relying on technology, products and services. We strive to satisfy customers embracing corporate philosophy “credit, factuality, cooperation, innovation”, committing ourselves to becoming the core in geotechnical engineering in China.

　Moving forward, we will constantly keep researching and improving to further improve quality and services to move on.

　We are willing to cooperate with you to create a brilliant future.

　Wherever you are, Haiyan always is your credible guarantee.