With qualified technicians, Xi'an YongHua is powerful in all respects. They established long term relationship with a lot of universities and institutes all over the country, makes the products met the highest international quality standard. Devote to the complete application of advanced American computer designing, software, welding and heat treatment equipment, test rig, inspection equipment and quality controlling system, as well as the basis of scientific management, the products of Xi'an YongHua range from low temperature to high temperature, from single and double side seals to tandem seals. They adoption of special materials and imported materials at key parts eliminates the effect of high abrasive and high corrosive liquid on the seal life.

Have obtained authorization of ISO9002 Quality Assurance System in 1998 and as well as the ISO9001 Quality Management System in 2004, Axially operates in the full R & D system and CAD net work with extensive testing including field test of new designs. and As an appointed supplier for China Petrochemical Corp., China Petroleum Corp. and Equipment Corporation of Chemical Industrial Bureau, our company has owned so high reputation in the petrochemical system in China that the coverage rate of bellows mechanical seals has reached a very higher rates of domestic market. Now the mechanical seals produced by Xi'an YongHua are widely used in different fields such as Nuclear power station, petrochemical, chemical, refinery, paper, chemical fiber industry, etc.

Growth in excess of 30% per year has allowed Xi'an YongHua to become the major international new entrant, to the mechanical seals industry, in the last twenty years. The current range of products is also expanding to cover new markets and niches. Continued improvement of existing products and design excellence help us achieve superior product performance.