Wujiang Yongfeng Purification Co., Ltd, headquatered in Wujiang city, Jiangsu province, is a leading manufacturer of sandwich panels and purification products in China. Yongfeng has four (4) subsidiary companies, namely, Wujiang Yongfeng Purification Co.,Ltd in Jiangsu province, Foshan Yongfeng Purification Co.,Ltd in Guangdong province, Kunming Yongfeng Purification Co.,Ltd in Sichuan province, and Zhenzhou Yongfeng Purification Co.,Ltd in Henan province. We make our utmost to forge the ...