1. ISO 2. 3 working day for sample 3. Customized order acceptable ... for telecom, metal enclosures for electronics Winnsen Industry Qualification includes:ISO 9001:2008 RegisteredD&B RegisteredCabinet for telecom, metal enclosures for electronics, metal ... cabinet, sheet metal control box, steel boxAbout UsWe are an ISO certified professional manufacturer of sheet metal fabrication parts, including sheet ...