Quality Management Systems Guide | MoldKey<meta name="description" content="QMS guide - ISO 9001, IATF 16949, AS9100, Six Sigma."><link rel="canonical" href="https://www.moldkey.com/guide/quality-management-systems.html"><meta name="robots" content="index,follow"><style>*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;background:#fff;color:#1a1a2e;line-height:1.7}.header{background:#1a1a2e;color:#fff;padding:16px 0}.header-inner{max-width:1100px;margin:0 auto;padding:0 20px;display:flex;align-items:center;gap:16px;flex-wrap:wrap}.header-inner a{color:#fff;text-decoration:none}.logo{font-size:18px;font-weight:700}.nav-links{font-size:13px;display:flex;gap:12px;flex-wrap:wrap}.nav-links a{color:#aab;font-size:13px}.hero{background:linear-gradient(135deg,#1a1a2e,#16213e);color:#fff;padding:50px 20px;text-align:center}.hero h1{font-size:32px;margin:0 0 10px;color:#f59e0b}.hero p{font-size:15px;color:#ccc;max-width:700px;margin:0 auto}.bread{background:#f5f5f5;padding:10px 20px;font-size:13px;color:#666;border-bottom:1px solid #e0e0e0}.bread a{color:#1a73e8;text-decoration:none}.container{max-width:1100px;margin:0 auto;padding:30px 20px}h2{font-size:20px;margin:30px 0 12px;padding-bottom:8px;border-bottom:2px solid #1a73e8;color:#1a1a2e}h3{font-size:17px;margin:20px 0 10px;color:#333}p{margin:12px 0;text-align:justify;font-size:14px;color:#444;line-height:1.8}ul,ol{margin:10px 0;padding-left:25px}li{margin:5px 0;font-size:14px;color:#444}table{width:100%;border-collapse:collapse;margin:15px 0;font-size:14px}th,td{border:1px solid #ddd;padding:8px 12px;text-align:left}th{background:#1a1a2e;color:#fff}.stat-card{background:#f8f9fa;border-left:4px solid #1a73e8;padding:15px 20px;margin:15px 0;border-radius:4px}.glass{background:#f8f9fa;border:1px solid #e0e0e0;border-radius:8px;padding:18px;margin:12px 0;font-size:14px;color:#444}.footer{background:#1a1a2e;color:#aab;text-align:center;padding:24px 20px;font-size:12px;margin-top:40px}.footer a{color:#89b}</style></head><body><div class="header"><div class="header-inner"><div class="logo"><a href="https://www.moldkey.com/">Moldkey</a></div><div class="nav-links"><a href="https://www.moldkey.com/">Home</a> <a href="https://www.moldkey.com/cities/">City Guides</a><a href="https://www.moldkey.com/guide/">Manufacturing Guides</a></div></div></div><div class="bread"><a href="https://www.moldkey.com/">Home</a> » <a href="https://www.moldkey.com/guide/">Guides</a> » Quality Management Systems</div><div class="hero"><h1>Quality Management Systems Guide</h1><p>Guide to QMS standards for manufacturing.</p></div><div class="container"><div class="glass"><strong>Contents</strong><ul><li><a href="#overview">Overview</a></li><li><a href="#iso9001">ISO 9001</a></li><li><a href="#iatf">IATF 16949</a></li><li><a href="#as9100">AS9100</a></li><li><a href="#sixsigma">Six Sigma</a></li><li><a href="#ppap">PPAP</a></li><li><a href="#china">QMS in China</a></li><li><a href="#bp">Best Practices</a></li></ul></div><h2 id="overview">Overview</h2><p>A QMS documents processes for achieving quality objectives. Understanding QMS certs is essential for China sourcing.</p><h2 id="iso9001">ISO 9001</h2><p>Baseline QMS. 300K+ Chinese companies hold ISO 9001:2015.</p><h2 id="iatf">IATF 16949</h2><p>Automotive QMS adding APQP, PPAP, FMEA, MSA, SPC.</p><h2 id="as9100">AS9100</h2><p>Aerospace QMS for design, production, maintenance.</p><h2 id="sixsigma">Six Sigma</h2><p>DMAIC methodology for defect reduction.</p><h2 id="ppap">PPAP</h2><p>PPAP validates production parts. Level 3 includes full documentation.</p><h2 id="china">QMS in China</h2><p>Nearly all export factories have ISO 9001. Verify through audits.</p><h2 id="bp">Best Practices</h2><p>Verify certs, audit, request QC docs, specify AQL, use 3rd-party inspection.</p></div><div class="footer"><p>© 2026 Moldkey — China Manufacturing Sourcing Guide. <a href="https://www.moldkey.com/">moldkey.com</a></p></div> <div style="position:fixed;bottom:0;left:0;right:0;z-index:9999;background:linear-gradient(135deg,#f59e0b,#f97316);padding:10px 24px;text-align:center;font-size:14px;color:#0a0a0a;font-weight:600"> 🍵 <a href="https://www.mfgabc.com" style="color:#0a0a0a;text-decoration:underline">MFGABC.com</a> — Your Manufacturing Hub. <a href="https://www.mfgabc.com" style="color:#0a0a0a;text-decoration:underline;margin-left:8px">Explore →</a> <button onclick="this.parentElement.style.display='none'" style="background:none;border:none;color:#0a0a0a;font-size:18px;margin-left:12px;cursor:pointer;font-weight:bold">✗</button> </div></body></html>