Shijiazhuang Yuncang Water Technology Corporation Limited Indirizzo Sala 803, edificio D, Zhongchu Plaza, n. 198, Zhonghua North Street, Shijiazhuang, Cina. E-mail sales@yuncangchemical.com Telefono 0086 311 67662170 WhatsApp 0086 15032831045 Skype 0086 15032831045 WeChat 0086 15032831045