Relying on good quality, excellent servive, remarkable sales team, successrul market and advertisement and strtegy, Tianyu prodcuts immediately occupy most of the markets in the country and are widely used in all killds of large projects. The company establishes its own marketing channet and network everywhere in the country, and continues to open up new matkets. Its overseas subordinate company in Hong Kong fistly advances into the internatonal market and lets more people enjoy the intellingent security service brought forward by Tianyu.