Longhorn constantly brings in advanced international management experience from overseas,. Longhorn has been one of the first companies with ISO9002 certificate of TUV (Germany) in 1998. With continual expansion of our business and market, the optimistic development of enterprise management and upgrading of product quality, our company passed the certification of ISO9001:2000 and QS9000 Quality Management System of BSI in 2003. Combining the demand of developing stratagem, Longhorn has passed the certifications of ISO9001:2000 quality management system of BSI in April 2006, over a hundred products obtained national or international letter of patent and product certification from authorized institution. (CCC, Type Approval, CE, FCC, UL, E-mark Certificate, ROHS Certificate, etc.)

 We extract our quality policy from our mission we followed “Surpass ourselves constantly, produce the first-class products and make ourselves a excellent national enterprise”---- Everybody act to control in each process, execute strictly; Improve our quality standards continuously and follow the principle of “preciseness, specific, practice, persistence”, to be an excellent member of Longhorn and manufacture high quality product to satisfy our customers! At the same time, we comply with the business, national and international laws and legislations, take resource saving, pollution reducing and people’s lives improving as the starting point so as to derate the supply of all kinds of hazardous and noxious substances in the products. On March 2008, we had finished the total transformed manufacture and sales of the lead-free products.

We advocate everybody participating and acting, using scientific management and systematic analysis technology such as SPC, QFD, DOE, FMEA, 6sigama, QCC etc. activities to control strictly each process that has effect on product quality. In every process of R&D, manufacture, logistics and sale, all the employees of Longhorn always take the attitude of preciseness, specific, Practial and persistence as working principle, adopting advanced technology and incessant innovations to guarantee lasting improvement of our products quality. Everyone of Longhorn is called on to learn hard to make progress, advancing 1% every day, develop and manufacture high quality products, and persist in improving to warrant our customers satisfied, as well as control strictly each process of manufacturing product, to seek the resplendency of product quality of Longhorn through our joint effort.