Located in Liaobu Town of Dongguan City, an international industrial manufacturing center, Chenyi Hardware Co., Ltd. is an enterprise integrating R&D, production, sale and processing. Chenyi has specialized in air filter for 15 years and provided one-stop total solutions for processing of air filter and its accessories and efficient production of filter. Chenyi is one of enterprises first engaging in independent R&D, production and sale of air filter. LESITE Mechanical, subordinate to Chenyi, is a famous air filter manufacturer at home and abroad and has become a leading force in the Chinese high-end filter industry