With the annual production capability of 3.0million doors and more than five thousand empolyees, Buyang group is the biggest doors manufacturer.The group has obtained ISO9001:2000 internationaliy quality system certificate in june of 2000,the right of import and export in 2001, We have eight years of export experience,covering a popular market over 80countries and enjoying well reputation among these countries.Buyang Brand security door was awarded as China Top Brand,the sale of Buyang Brand door ranked the top in china for six years.