... to your requirements and local conditions. Our advantages of our steel structure villa are as below : DesignAccording to client’s drawings or ... controlCertificateISO9001:2000 ,ISO14001:2004Main componentsH beam, Purlin ,sandwich panel, C purlin,Z purlin ,bolts and other fittings.Installation(1) Detailed ... to make the build more beautiful , easy to maintenance. light gauge steel structure villa