# Renyi Castings: Ningbo Renyi Casting Machinery Factory

> One\-stop casting manufacturer in Ningbo, China\. Die casting, gravity casting, sand casting, investment casting, forging — plus in\-house tooling, CNC machining \& assembly\. ISO 9001 certified\.

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## Pages
- [Home](https://www.renyicastings.com/)
- [OEM Cast Iron \& Brass Coffee Tools Manufacturer](https://www.renyicastings.com/oem-cast-iron-brass-coffee-tools-manufacturer/)
- [OEM Cast Iron Kitchenware Manufacturer](https://www.renyicastings.com/oem-cast-iron-kitchenware-manufacturer/)
- [Traffic Hardware Housings](https://www.renyicastings.com/traffic-hardware-housings/)
- [ Custom Kitchen \& Furniture Hardware](https://www.renyicastings.com/custom-kitchen-furniture-hardware/)

## Posts
- [5 Pump Casting Quality Problems Real Users Complain About on Reddit \(And How We Fix Them at the Source\)](https://www.renyicastings.com/2026/09/01/5-pump-casting-quality-problems-real-users-complain-about-on-reddit-and-how-we-fix-them-at-the-source/)
- [IATF 16949 Rules 6th Edition: What the Stricter 2026 Audit Requirements Mean for Aluminum Casting Suppliers and OEM Procurement Teams](https://www.renyicastings.com/2026/08/24/iatf-16949-rules-6th-edition-what-the-stricter-2026-audit-requirements-mean-for-aluminum-casting-suppliers-and-oem-procurement-teams/)
- [Casting Quality Control in 2026: Why Advanced Metrology Labs Are Now the \#1 Supplier Selection Criterion for OEM Buyers](https://www.renyicastings.com/2026/08/24/casting-quality-control-in-2026-why-advanced-metrology-labs-are-now-the-1-supplier-selection-criterion-for-oem-buyers/)
- [From Monolith to Modular: How Gen\-3 Megacasting Is Redefining Quality Standards for Aluminum Casting Suppliers in 2026](https://www.renyicastings.com/2026/08/10/from-monolith-to-modular-how-gen-3-megacasting-is-redefining-quality-standards-for-aluminum-casting-suppliers-in-2026/)
- [EV Lightweighting Is Reshaping Aluminum Casting: Quality Challenges and How Smart Foundries Are Responding in 2026](https://www.renyicastings.com/2026/08/03/ev-lightweighting-is-reshaping-aluminum-casting-quality-challenges-and-how-smart-foundries-are-responding-in-2026/)

## Categories
- [Industry Insights](https://www.renyicastings.com/blog/industry-insights/)
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