As one of the leading manufacturers specializing in household appliances and impeller industries, Zhejiang Langdi Group Co., Ltd. Integrating product research,manufacturing,sales and service; Holding 9 branch factories in Ningbo, Zhejiang Province, Dongguan and Zhongshan, Guangdong Province, Qingdao, Shandong Province, Mianyang, Sichuan Province and other areas in China; Concerning the fan wheels in the air-conditioner, the impellers&blowers for the industrial and commercial usage and the heating ventilation fields. We have an all-around scientific and research panel of high-level...