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Zhongshan Yongning Ventilation System Manufacture Co., Ltd was built in 1984. Which is a large enterprise specializing in producing "yonghua" brand ventilation equipments or OEM follow clients requirements...Based on the corporate spirit of unify and innovation for greater success, our company has achieved big development through thirty years of efforts. Now our company occupies a floor space of over 36, 000 square meters and a factory building area of over 23, 000 square meters. Most of the spare parts are made by ourselves, including motor, fan body, ... [
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