靳战岗 : +86 15028846733

E-mail : lcjinzhangang@gmail.com

Factory address : Buyao Village, Lincheng County, Xingtai City, Hebei Province, China.

Helen.hu : +86 15613917985

E-mail : info.stmason@gmail.com

赵瑞旺 : +86 13833202429

Address：Xishi Village, Yi County, Baoding, Hebei Province, China.