Phuc Gia Lab is an ISO17025 accredited lab based on Vietnam, we are the first time to cooperation and it was a pleased experience. They fully trusted us, the order of draught-proof enclosure is placed in very short time, after get the equipment, they quickly completed the assembly and share us the pictures, they are very very satisfied with our quality and service. draught-proof enclosure 1. Introduction Draught-proof enclosure is designed according to IEC60598.1 annex D, it is applied to thermal test of luminaire under the conditions of normal operation and abnormal operation. The draught-proof enclosure is rectangular, with a double skin on top and on at least three side, and with a solid base. The double skins...