Shijiazhuang Yuncang Dlo Teknoloji Kòporasyon Limite Adrès Sal 803, Building D, Zhongchu Plaza, No.198, Zhonghua North Street, Shijiazhuang, Lachin. E-mail sales@yuncangchemical.com Telefòn 0086 311 67662170 WhatsApp 0086 15032831045 Skype 0086 15032831045 Wekat 0086 15032831045