Puyang Zhongyi Electronic Technology Co., Ltd.

Looking for China foundries, come to BAIZHU NET!

At BaizhuNet, we bridge the gap between your ideas and the market. We are more than a supplier; we are your strategic manufacturing partner in China, powered by a curated alliance of over 500 specialized foundries. Whether you have detailed blueprints or just a concept, we provide the flexible, reliable, and scalable OEM & ODM solutions to bring your products to life efficiently and cost-effectively.

Section 1: Clear Definitions - How We Work With You
OEM (Original Equipment Manufacturing) – “Build to Your Print”

Your Role: You provide the complete, ready-to-manufacture design (detailed drawings, full specifications, material calls).

Our Role: We act as your seamless production arm. We match your project with the perfect foundry in our network for execution, ensuring strict adherence to your standards, quality, and timeline. You retain full IP control.

Ideal For: Brand owners, machinery builders, and companies with established engineering teams seeking precision manufacturing and supply chain simplification.

ODM (Original Design Manufacturing) – “Design & Build from Your Concept”

Your Role: You bring the idea, functional requirements, target market, or performance goals.

Our Role: We become your on-ground engineering and production team. We collaborate on Design for Manufacturability (DFM), material selection, process optimization, prototyping, and full-scale production. We deliver a market-ready product based on your vision.

Ideal For: Startups, traders, and businesses looking to expand product lines quickly without in-house design or specialized casting expertise.

Section 2: Why Partner with BaizhuNet for OEM/ODM? (Your Platform Advantage)
Choosing BaizhuNet means accessing not a single factory, but an entire manufacturing ecosystem. Here’s what sets us apart:

Unmatched Flexibility & Expertise: Your project is never limited by one factory's capability. Need investment casting for aerospace-grade stainless steel and high-pressure die casting for aluminum housings? We match each component with the perfect specialized foundry within our network.

Optimal Cost & Quality Combination: Our intelligent platform matching and multi-quote system ensure you receive the most competitive pricing for OEM projects and the best value engineering for ODM development.

De-risked Supply Chain & Scalability: Our multi-source network guarantees production stability and on-time delivery. Scale from prototype to mass production seamlessly, with the agility to pivot resources if needed.

True One-Stop Project Management: From initial RFQ and partner matching to engineering reviews, sampling, production monitoring, and logistics – you have a single point of contact. We manage the complexity of the Chinese supply chain so you don't have to.

Section 3: Our End-to-End Service Flow
Consultation & Discovery: We understand your project scope, whether it's OEM or ODM.

Intelligent Matching & Quotation: Our platform identifies 3-5 optimal foundries from our 500+ network based on your needs.

Collaborative Development (ODM Focus): DFM, prototyping, and iterative sampling until approval.

Production Execution & QC: We oversee the manufacturing process with strict quality control protocols at partner facilities.

Delivery & Support: Consolidated logistics and ongoing support for future runs.

At Baizhunet.com, we redefine sourcing for casting buyers. We are not a traditional foundry; we are China's leading casting industry platform and alliance. Our core strength lies in our curated network of over 500 verified, high-quality foundry members across China. This vast alliance provides unmatched flexibility, capacity, and expertise, making us your efficient and reliable one-stop partner for all casting needs.

1. Unmatched Scale & Agile Capacity

500+ Partner Foundries: A rigorously selected network spread across China's major industrial hubs.

Virtually Unlimited Capacity: From prototype development to mass production runs, our scalable network meets demands of any volume.

Risk Mitigation: Diversified supply base ensures stability and on-time delivery.

2. Complete Process Coverage
We connect you with specialists for every casting technology:

Sand Casting: Green Sand, Resin Sand, and Sand Coating (Pep Set) Lines.

Investment Casting: Silica Sol (Lost Wax) Precision Casting Lines.

Special Processes: Pressure Die Casting, Lost Foam Casting Lines, and more.

Other: Centrifugal Casting, Continuous Casting, etc. (as applicable).

3. Extensive Material Expertise

Ferrous: All grades of Cast Iron (Gray, Ductile, Malleable, Alloyed), Cast Steel (Carbon, Low-Alloy, Stainless).

Non-Ferrous: Aluminum, Copper, Zinc, and Magnesium Alloys.

4. Industries We Serve
Automotive | Agricultural Machinery | Pump & Valve | Construction Equipment | Rail & Transport | Energy & Power | Machine Tools | Medical Devices | Aerospace Components & more.

5. Your Value & Our Service

Intelligent Matching: Share your RFQ (drawings, material, quantity). We match you with 3-5 optimal foundries.

Unified Quality Support: We facilitate technical communication and key quality control benchmarks.

Streamlined Supply Chain: We coordinate the process from quoting, sampling, production tracking, to inspection and logistics.

Sourcing Simplified: One request, multiple competitive quotes from pre-vetted specialists.

At BaizhuNet, superior quality begins with precise validation. Our curated network of partner foundries operates advanced testing laboratories and digital quality management systems built to international standards. From material analysis to performance verification, we ensure every casting not only matches your design visually but meets the most demanding requirements for microstructure, mechanical properties, and durability in real-world applications.

Our Multi-Tier Quality Verification System

We implement a structured, three-tiered approach to quality assurance across our manufacturing network.

Tier 1: Material & Microstructural Verification
Ensuring the fundamental integrity of every casting.

Metallographic Analysis: Partner labs utilize high-power microscopes with image analysis systems to evaluate microstructure (graphite morphology, grain size, phase distribution). This is foundational for verifying material grade, heat treatment effectiveness, and predicting final performance.

Spectrochemical Analysis: Optical Emission Spectrometers provide rapid, accurate chemical composition analysis for all ferrous and non-ferrous alloys, ensuring every melt batch strictly adheres to specified standards.

CMM Measurement: Coordinate Measuring Machines perform high-precision digital inspection of complex geometries, critical dimensions, and GD&T, guaranteeing the casting is a perfect match to your CAD model.

Tier 2: Mechanical & Physical Performance Validation
Confirming functional strength and suitability for application.

Hardness Testing: Standardized use of Brinell, Rockwell, and Vickers hardness testers provides immediate data on surface and core hardness, a key indicator of strength, wear resistance, and heat treatment uniformity.

Tensile & Mechanical Testing: Network partners with certified labs use Universal Testing Machines to generate formal reports on ultimate tensile strength, yield strength, and elongation—delivering the definitive data on mechanical properties.

Pressure & Leak Testing: For valves, pumps, and hydraulic components, dedicated pneumatic and hydrostatic test benches perform pressure-holding tests to verify seal integrity and compliance with stringent safety protocols.

Tier 3: Surface & Internal Integrity Inspection
Detecting defects invisible to the naked eye.

Liquid Penetrant Testing (PT): Standardized processes ensure 100% screening of surface defects like cracks and porosity on safety-critical and aesthetic components.

Ultrasonic Testing (UT): Identifies and locates internal flaws such as shrinkage cavities and inclusions, essential for assessing the internal quality of large, thick-walled castings.

Real-Time Radiography (X-Ray): Select high-tier partners employ digital X-ray systems to "see inside" complex, precision castings (e.g., for aerospace), providing the most definitive non-destructive evaluation.

The BaizhuNet Platform Advantage: Beyond Basic Compliance

Choosing our network means your project benefits from a systematized quality ecosystem, not just individual factory checks.

Standardized Quality Protocols: We work with you to define critical inspection parameters. Our partner foundries operate against unified baseline quality agreements, ensuring consistency and comparability of data across the network.

Digital Quality Dossier: Key inspection results—raw data, not just a "pass/fail"—are compiled into a digital project dossier. Access real-time reports and maintain full traceability from your dashboard.

Third-Party Verification Gateway: We facilitate audits and witness tests by accredited international inspectors (SGS, BV, TÜV, etc.) upon your request, adding an extra layer of impartial trust.

Expert-Led Root Cause Analysis: Should any data point fall outside specifications, our platform quality engineers collaborate with network process specialists to diagnose the issue and drive corrective action, turning problems into solutions.

Visualize Quality in Action
Infographic: "The BaizhuNet Quality Verification Journey" – Illustrating the seamless flow from raw material spectrometry to final performance certification.

Sample Reports: View anonymized samples of our standard Material Test Reports and Non-Destructive Testing Certificates.

Case Study Highlight: "How We Validated a High-Stress Automotive Knuckle: A Full Data Trail from Microstructure to Fatigue Test."

Technical expert team:

At present, there are 45 first-line experts in the field of casting in China, providing the factory with first-class technical support in China, reducing the procurement cost for buyers, and providing quality assurance of high-quality products.

Professional translation team:

Provide order negotiation translation and export related business services for both sides of the international casting trade;

Professional service team:

Buyer service team 7*24 hours online, one to one tracking inquiry information, to ensure the timeliness and effectiveness of information communication between buyers and factories.

2012
Baizhunet.com launched with the initial positioning of "utilizing efficient internet tools to help casting enterprises secure orders." The first product, "Baizhu Order," went live.

2013
Hosted large-scale casting technology exchange conferences in Anyang (Henan) and Yuzhou (Henan).

2014
Upgraded the PC platform to Version 2.0, refining the platform's positioning to "disseminating valuable casting information."
Organized five major casting technology exchange conferences in Wu'an (Hebei), Xiangyang (Hubei), Yuzhou (Henan), Botou (Hebei), and other locations.

2015
Launched the WeChat public accounts "Baizhu Alliance" and "Metal Online."
Invited nearly 40 casting industry experts to Puyang for the "Baizhunet.com Development Strategy Seminar."

2016
Launched the casting education and training brand "Baizhu Education," successfully holding four specialized casting technology training sessions.

2017
Baizhunet.com PC platform registered users exceeded 16,000; the "Baizhu Alliance" WeChat public account followers surpassed 38,000.

2018
Launched the casting industry smart logistics service brand "Baizhu Logistics."

2019
Launched the Douyin (TikTok) short video channel "Foundry Assist."

2020
Established the international trade platform "Zhubai Trade," dedicated to leveraging domestic casting data to facilitate international casting procurement and transactions.

2021
Baizhu Order hosted the "First Offline Casting Parts Procurement Conference."

2022
Baizhunet.com celebrated its 10th anniversary, marking a new decade and embarking on a "New Journey."

2023
Baizhu.com expanded globally, participating in the world's largest casting exhibition, GIFA, in Düsseldorf, Germany.

Future Outlook
Building on its casting foundation, Baizhu.com aims to create a comprehensive industrial system service platform and become a globally renowned industrial internet service provider.

Baizhuwang is not a single factory, but a leading casting industry service platform in China. We have integrated a network of over 500 rigorously vetted premium foundry members, forming a powerful, flexible, and fully-equipped

manufacturing alliance. This network covers virtually all casting processes, materials, and application industries, enabling us to provide global buyers with a true one-stop solution for casting procurement. Whether your needs are

for small precision parts or large heavy-duty castings, we can match you with the most professional and cost-effective production base, ensuring quality and reliability throughout the process.