Shijiazhuang Yunchang Water Technology Corporation Limited 주소 803 호실, 건물 D, Zhongchu Plaza, No.198, Zhonghua North Street, Shijiazhuang, China. 이메일 sales@yuncangchemical.com 핸드폰 0086 311 67662170 whatsapp 0086 15032831045 스카이프 0086 15032831045 Wechat 0086 15032831045