{"id":368,"date":"2026-10-12T15:35:38","date_gmt":"2026-10-12T07:35:38","guid":{"rendered":"https:\/\/www.eoil.com\/index.php\/telecom-sheet-metal-fabrication\/"},"modified":"2026-10-12T15:35:38","modified_gmt":"2026-10-12T07:35:38","slug":"telecom-sheet-metal-fabrication","status":"publish","type":"page","link":"https:\/\/www.eoil.com\/index.php\/en\/telecom-sheet-metal-fabrication\/","title":{"rendered":"Telecom Sheet Metal Fabrication"},"content":{"rendered":"<p><strong>Telecom equipment has to survive twenty years outdoors and still line up with a rack unit.<\/strong> We fabricate telecom sheet metal parts from your drawings \u2014 from a single prototype to volume runs of thousands \u2014 at our factory in Huizhou, Guangdong, China.<\/p>\n<h2>What we make for telecom customers<\/h2>\n<ul>\n<li>19-inch rack cabinets, subracks and mounting rails<\/li>\n<li>Outdoor base-station structural parts (welded assemblies)<\/li>\n<li>Equipment enclosures, doors and side panels<\/li>\n<li>Antenna and pole mounting brackets<\/li>\n<li>Cable management trays and grounding plates<\/li>\n<li>Galvanized and powder-coated housings<\/li>\n<\/ul>\n<p>Typical parts: <a href=\"https:\/\/www.eoil.com\/index.php\/en\/product\/telecom-rack-cabinet-en\/\">telecom rack cabinet<\/a>, <a href=\"https:\/\/www.eoil.com\/index.php\/en\/product\/cabinet-frame-en\/\">cabinet frame<\/a>, <a href=\"https:\/\/www.eoil.com\/index.php\/en\/product\/welded-assembly-en\/\">welded assembly<\/a>, <a href=\"https:\/\/www.eoil.com\/index.php\/en\/product\/equipment-bracket-en\/\">mounting bracket<\/a>, <a href=\"https:\/\/www.eoil.com\/index.php\/en\/product\/equipment-panel-en\/\">equipment panel<\/a>.<\/p>\n<h2>Why telecom sheet metal is difficult<\/h2>\n<p>Three problems come up on almost every telecom project:<\/p>\n<ul>\n<li><strong>Rack unit alignment.<\/strong> A 42U cabinet has forty-two pairs of mounting holes that all have to line up. If the bend sequence or the press-brake tooling changes between batches, the rails stop being interchangeable. We fix the datum and lock the bend sequence to a numbered routing, so batch 20 matches batch 1.<\/li>\n<li><strong>Grounding and EMC.<\/strong> Painted surfaces do not conduct. Bonding points have to be masked before coating, and the mask has to stay in the same place every time. We mark bonding areas on the drawing and mask them in production, then check contact resistance on samples.<\/li>\n<li><strong>Galvanizing distortion.<\/strong> Hot-dip galvanizing runs at roughly 450&nbsp;\u00b0C and will warp thin panels and long doors. Where a customer specifies hot-dip, we design with the distortion in mind \u2014 heavier gauge, stiffening ribs, and jig support through the process.<\/li>\n<\/ul>\n<h2>Specifications<\/h2>\n<table>\n<tbody>\n<tr>\n<td><strong>Materials<\/strong><\/td>\n<td>SPCC cold-rolled steel, SGCC galvanized sheet, SUS 304\/316 stainless, aluminium 5052\/6061<\/td>\n<\/tr>\n<tr>\n<td><strong>Thickness<\/strong><\/td>\n<td>0.8&nbsp;mm \u2013 6&nbsp;mm (sheet), up to 12&nbsp;mm on request<\/td>\n<\/tr>\n<tr>\n<td><strong>Laser cutting<\/strong><\/td>\n<td>3000 \u00d7 1500&nbsp;mm bed, \u00b10.05&nbsp;mm<\/td>\n<\/tr>\n<tr>\n<td><strong>CNC bending<\/strong><\/td>\n<td>Up to 3200&nbsp;mm, angle tolerance \u00b10.5\u00b0, springback compensated<\/td>\n<\/tr>\n<tr>\n<td><strong>Welding<\/strong><\/td>\n<td>TIG, MIG\/CO<sub>2<\/sub>, spot welding, with fixtures to control distortion<\/td>\n<\/tr>\n<tr>\n<td><strong>Finishing<\/strong><\/td>\n<td>Powder coating (RAL colours), painting, hot-dip galvanizing, zinc plating, brushing<\/td>\n<\/tr>\n<tr>\n<td><strong>Tolerance<\/strong><\/td>\n<td>Typically \u00b10.1&nbsp;mm on hole positions; tighter on request<\/td>\n<\/tr>\n<tr>\n<td><strong>Order size<\/strong><\/td>\n<td>Prototypes from 1&nbsp;pc; volume runs into tens of thousands<\/td>\n<\/tr>\n<tr>\n<td><strong>Lead time<\/strong><\/td>\n<td>Prototype 5\u201310 days, production 15\u201330 days depending on volume<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>Quality control<\/h2>\n<p>Every order passes four inspection stages \u2014 incoming material, first article, in-process and outgoing. Key dimensions are checked on a coordinate measuring machine and the records are kept for traceability. First-article parts can be shipped to you for approval before the batch runs.<\/p>\n<h2>Drawing formats<\/h2>\n<p>Send DXF, DWG, STEP, IGES, PDF or a physical sample. If you only have a sketch or a concept, our engineers can work with you to turn it into a manufacturable sheet metal design.<\/p>\n<h2>Frequently asked questions<\/h2>\n<h3>What is your minimum order quantity?<\/h3>\n<p>There is no fixed MOQ. We prototype from one piece, and the unit price drops as volume rises. For telecom cabinets, most customers start with a small pilot batch and scale up.<\/p>\n<h3>Can you match an existing cabinet we already buy?<\/h3>\n<p>Yes. Send a sample or a full drawing set and we will reproduce it, including any hardware and hole patterns.<\/p>\n<h3>How do you protect parts in transit?<\/h3>\n<p>Standard export packing \u2014 corner protection, interleaved sheets, and cartons or plywood cases sized to your container. We can also pack to your own specification.<\/p>\n<h2>Send us your drawings<\/h2>\n<p>Email drawings or a download link with your requirements \u2014 material, thickness, quantity and finish \u2014 and we will come back with a quotation, usually within 24 hours. You can also <a href=\"https:\/\/www.eoil.com\/index.php\/en\/contact-en\/\">contact us here<\/a> or read more about <a href=\"https:\/\/www.eoil.com\/index.php\/en\/laitu-dingzhi-en\/\">custom fabrication from drawings<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Telecom sheet metal fabrication from drawings \u2014 rack cabinets, subracks, base-station structures and brackets. China factory, 24-hour quote.<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-368","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.eoil.com\/index.php\/wp-json\/wp\/v2\/pages\/368","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.eoil.com\/index.php\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.eoil.com\/index.php\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.eoil.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.eoil.com\/index.php\/wp-json\/wp\/v2\/comments?post=368"}],"version-history":[{"count":0,"href":"https:\/\/www.eoil.com\/index.php\/wp-json\/wp\/v2\/pages\/368\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.eoil.com\/index.php\/wp-json\/wp\/v2\/media?parent=368"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}