Shijiazhuang Yuncang Dŵr Technoleg Gorfforaeth Limited Cyfeiriad Ystafell 803, Adeilad D, ZhongChu Plaza, No.198, ZhongHua North Street, Shijiazhuang, Tsieina. E-bost sales@yuncangchemical.com Ffon 0086 311 67662170 WhatsApp 0086 15032831045 Skype 0086 15032831045 WeChat 0086 15032831045