{"id":3328,"date":"2026-09-18T13:50:39","date_gmt":"2026-09-18T05:50:39","guid":{"rendered":"http:\/\/www.espacovipcv.com\/blog\/?p=3328"},"modified":"2026-09-18T13:50:39","modified_gmt":"2026-09-18T05:50:39","slug":"what-are-the-quality-control-tools-in-oem-production-498c-f202e7","status":"publish","type":"post","link":"http:\/\/www.espacovipcv.com\/blog\/2026\/09\/18\/what-are-the-quality-control-tools-in-oem-production-498c-f202e7\/","title":{"rendered":"What are the quality control tools in OEM production?"},"content":{"rendered":"<p>Hey there! I&#8217;m an OEM supplier, and in this blog, I&#8217;m gonna share some quality control tools we often use in OEM production. Quality control is super crucial in our line of work. It&#8217;s like the foundation of a building; without it, everything can come crashing down. So, let&#8217;s dive right in and take a look at these tools. <a href=\"https:\/\/www.sanjinelevator.com\/elevator-cop-lop\/oem\/\">OEM<\/a><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.sanjinelevator.com\/uploads\/202236882\/small\/kone-elevator-lce230-board-km713120g0230514221253.jpg\"><\/p>\n<h3>1. Checklists<\/h3>\n<p>Checklists are one of the simplest yet most effective quality control tools. You know, it&#8217;s just a list of things that need to be done or checked at each stage of the production process. For us as an OEM supplier, we use checklists to make sure that all the raw materials meet the required specifications. We list down things like the material type, size, color, and any other important details.<\/p>\n<p>When the raw materials arrive at our factory, the workers go through the checklist one by one. They check if the material is the right one, if it&#8217;s in good condition, and if it meets the quantity we ordered. This way, we can catch any issues early on and avoid using sub &#8211; standard materials in our production.<\/p>\n<p>During the production process, we also have checklists for each manufacturing step. For example, if we&#8217;re making electronic devices, there&#8217;ll be a checklist for the assembly process. The workers will check if all the components are properly installed, if the connections are secure, and if there are any visible defects. It&#8217;s a great way to keep track of everything and ensure that the final product meets the quality standards.<\/p>\n<h3>2. Statistical Process Control (SPC)<\/h3>\n<p>SPC is another important tool in our quality control arsenal. It involves using statistical methods to monitor and control the production process. We collect data at different points in the production line, like the dimensions of a part, the temperature during a manufacturing process, or the time it takes to complete a certain step.<\/p>\n<p>By analyzing this data, we can identify trends and patterns. For instance, if we notice that the dimensions of a particular part are gradually getting out of the acceptable range, we can take corrective action before it becomes a big problem. We can adjust the manufacturing equipment, change the production parameters, or train the workers to improve their skills.<\/p>\n<p>SPC also helps us to determine the process capability. That is, how well our production process can meet the specified quality requirements. If the process capability is low, we know that we need to make some improvements to the process. It&#8217;s all about making data &#8211; driven decisions to improve the quality of our products.<\/p>\n<h3>3. Pareto Charts<\/h3>\n<p>Pareto charts are really useful for identifying the most significant problems in our production. The idea behind Pareto charts is based on the Pareto principle, which states that 80% of the problems come from 20% of the causes.<\/p>\n<p>We collect data on all the quality issues we encounter during production, like product defects, production delays, or customer complaints. Then we categorize these issues and count how many times each type of issue occurs. We plot this data on a bar chart, with the issues arranged in descending order of frequency.<\/p>\n<p>The Pareto chart allows us to quickly see which problems are causing the most trouble. For example, if we find that 80% of the product defects are caused by just two types of issues, we can focus our efforts on solving those problems first. It&#8217;s a great way to prioritize our quality improvement efforts and get the most bang for our buck.<\/p>\n<h3>4. Fishbone Diagrams<\/h3>\n<p>Fishbone diagrams, also known as Ishikawa diagrams, are used to identify the root causes of a problem. When we face a quality issue in our OEM production, we use fishbone diagrams to dig deeper and find out what&#8217;s really going on.<\/p>\n<p>We start by writing the problem at the head of the &quot;fishbone.&quot; Then we draw branches off the main line, representing different categories of possible causes, such as people, machines, materials, methods, and environment.<\/p>\n<p>Under each category, we brainstorm and list all the possible factors that could contribute to the problem. For example, under the &quot;people&quot; category, we might list factors like lack of training, fatigue, or poor communication. By doing this, we can systematically analyze all the potential causes and come up with solutions.<\/p>\n<p>Once we&#8217;ve identified the root causes, we can take appropriate actions to prevent the problem from happening again. It&#8217;s like treating the disease at its source rather than just treating the symptoms.<\/p>\n<h3>5. Quality Audits<\/h3>\n<p>Quality audits are an essential part of our quality control process. We conduct regular internal audits to check if our production processes are following the established quality standards.<\/p>\n<p>During an internal audit, we review all the production records, check the equipment maintenance logs, and observe the workers&#8217; operations. We look for any non &#8211; conformities, like procedures not being followed correctly, equipment not being maintained properly, or quality records being incomplete.<\/p>\n<p>We also conduct external audits when required by our customers. These audits are more comprehensive and are used to demonstrate our compliance with their specific quality requirements. If any non &#8211; conformities are found during the audits, we take immediate corrective actions to address them.<\/p>\n<p>Quality audits help us to continuously improve our quality management system and ensure that our products consistently meet the high &#8211; quality standards expected by our customers.<\/p>\n<h3>6. Failure Mode and Effects Analysis (FMEA)<\/h3>\n<p>FMEA is a proactive quality control tool that we use to identify and prevent potential failures in our products or processes. We analyze the possible failure modes of each component or process step, and then evaluate the effects of these failures.<\/p>\n<p>We assign a severity rating, a probability of occurrence rating, and a detection rating to each failure mode. Based on these ratings, we calculate a Risk Priority Number (RPN). The higher the RPN, the more critical the failure mode is.<\/p>\n<p>We then focus our efforts on the failure modes with the highest RPNs. We develop preventive actions to reduce the probability of occurrence, improve the detection methods, or mitigate the effects of the failures. By doing this, we can prevent problems from happening in the first place and improve the reliability of our products.<\/p>\n<p>In conclusion, these are some of the key quality control tools that we use as an OEM supplier. Each tool has its own unique role in ensuring the quality of our products. By using these tools effectively, we can produce high &#8211; quality products that meet the expectations of our customers.<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.sanjinelevator.com\/uploads\/202236882\/small\/toshiba-elevator-main-board-2n1m3581p051-a27151242438.jpg\"><\/p>\n<p>If you&#8217;re a buyer looking for a reliable OEM supplier with strict quality control, we&#8217;d love to have a chat with you. Let&#8217;s talk about your specific requirements and how we can work together to bring your products to life.<\/p>\n<p><a href=\"https:\/\/www.sanjinelevator.com\/elevator-door-parts\/elevator-door-machine-belt\/\">Elevator Door Machine Belt<\/a> References:<\/p>\n<ul>\n<li>Quality Management Handbook by Juran and Godfrey<\/li>\n<li>Statistical Process Control for Quality Improvement by Douglas C. Montgomery<\/li>\n<li>Total Quality Management: Text with Cases by Dale H. Besterfield<\/li>\n<\/ul>\n<hr>\n<p><a href=\"https:\/\/www.sanjinelevator.com\/\">Sanjin Elevator Parts Co., Ltd.<\/a><br \/>Sanjin Elevator Parts Co., Ltd. is one of the most professional oem manufacturers and suppliers in China,  featured by quality products and good service. Please rest assured to buy or wholesale high-grade oem at competitive price from our factory.<br \/>Address: 18th Floor, Xinyuan Center, Fenghe Road, Xi&#8217;an, Shaanxi, China<br \/>E-mail: elevatorparts@westdt.com<br \/>WebSite: <a href=\"https:\/\/www.sanjinelevator.com\/\">https:\/\/www.sanjinelevator.com\/<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Hey there! I&#8217;m an OEM supplier, and in this blog, I&#8217;m gonna share some quality control &hellip; <a title=\"What are the quality control tools in OEM production?\" class=\"hm-read-more\" href=\"http:\/\/www.espacovipcv.com\/blog\/2026\/09\/18\/what-are-the-quality-control-tools-in-oem-production-498c-f202e7\/\"><span class=\"screen-reader-text\">What are the quality control tools in OEM production?<\/span>Read more<\/a><\/p>\n","protected":false},"author":73,"featured_media":3328,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[3291],"class_list":["post-3328","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-industry","tag-oem-4dbb-f2418d"],"_links":{"self":[{"href":"http:\/\/www.espacovipcv.com\/blog\/wp-json\/wp\/v2\/posts\/3328","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/www.espacovipcv.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.espacovipcv.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.espacovipcv.com\/blog\/wp-json\/wp\/v2\/users\/73"}],"replies":[{"embeddable":true,"href":"http:\/\/www.espacovipcv.com\/blog\/wp-json\/wp\/v2\/comments?post=3328"}],"version-history":[{"count":0,"href":"http:\/\/www.espacovipcv.com\/blog\/wp-json\/wp\/v2\/posts\/3328\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"http:\/\/www.espacovipcv.com\/blog\/wp-json\/wp\/v2\/posts\/3328"}],"wp:attachment":[{"href":"http:\/\/www.espacovipcv.com\/blog\/wp-json\/wp\/v2\/media?parent=3328"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.espacovipcv.com\/blog\/wp-json\/wp\/v2\/categories?post=3328"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.espacovipcv.com\/blog\/wp-json\/wp\/v2\/tags?post=3328"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}