Hoang Minh Quan Trading Co., Ltd specializes in pipe fittings and accessories (INOX pipes, INOX fittings, steel pipes, steel fittings, cast iron fittings, etc.)Hoang Minh Quan Trading Co., Ltd specializes in pipe fittings and accessories (INOX pipes, INOX fittings, steel pipes, steel fittings, cast iron fittings, etc.)