The product is used for communication network equipment installation of the shell of the internal circuit board. With high quality national standard 6063 - T5 aluminium alloy material precision machining by CNC machining center. Product quality is very high, control the size tolerance + / - 0.02 mm, exterior surface do chemical nickel processing. Each product after all OQC inspection, use white copy paper, then packed bubble bag or pearl cotton, into the export cartons are packed. Is deep the customer trust and praise.