Chengdu Puwin Precision Machinery Co, Limited was established in 2009, and dedicated to provide high-quality products and excellent service to our customers.
Puwin specializes in customized mechanical parts and components, and can offer customers a wide range of products made by high precision machining, hot forging, lost wax investment casting and aluminium die casting. To meet the diverse demands of our customers, we are also flexible with small batch and high variety, MOQ could be 1 piece.
We have a lot of experience
We have 16 Years of experience in exporting customized metal parts worldwide
ABOUT US
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16 +16 Years Manufacture / Exporting Experience
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7 +7 Manufacturing Methods for Custom Components
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98 % +On Time Delivery Rate
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Size
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Weight
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Material
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Assembly
Size
Precision Machining Capabilities: From Micro to Large-Scale parts
Our turning capabilities span diameters from 0.5mm to 2000mm and lengths up to 2000mm, while our milling services cover dimensions up to 12000mm. From tiny micro-components to large-scale industrial parts, we deliver precision machined products tailored to each customer’s unique specifications. Under the stringent quality system management, we guarantee to deliver superior-quality parts.
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Weight
Diverse Metal Forming Processes meet your demands
We offer a versatile range of metal forming processes to meet diverse weight requirements. Our hot forging capabilities handle components up to 10 kg, leveraging high-temperature pressure to enhance mechanical strength and structural integrity，ideal for high-load bearing parts requiring robust performance in mass production.
Lost wax investment casting extends to a maximum weight of 200 kg, can achieve intricate geometries, thin walls, tight tolerances and exceptional surface finish.
Gravity die casting covers the 0.2–10 kg range, suitable for medium-sized structural parts.
Material
Wide material choice, tailored to Your Specifications
We manufacture with a diverse range of high-performance materials, including Brass, Stainless Steel, Steel, Carbon steel, Aluminum, Nickel Base Alloy, POM, Titanium Alloy and more. With material sourcing tailored to your drawing specification, whether for high-stress ATEX products or general engineering components.
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Flexible Order Quantities for Prototypes to Small Batches
We are flexible with order quantity. Whether you need a prototype for testing, or a small batch for trial runs, we produce according to your needs. No minimum order quantity (MOQ) restrictions, even one piece orders are welcome.
Learn MoreAssembly
Flexible Order Quantities for Prototypes to Small Batches
We are flexible with order quantity. Whether you need a prototype for testing, or a small batch for trial runs, we produce according to your needs. No minimum order quantity (MOQ) restrictions, even one piece orders are welcome.
Learn More
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Delivery
Tailor More Personalised Products
Inquiry
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Advantages of Brass Forged Products
date: Apr 28,2026 -
AS9100 Certification Renewal
date: Jul 20,2025We are pleased to announce that we have sucecessfully obtained our recertification of AS91000 certification following our recent audit conducted by Bureau Veritas experts in June 2025.
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New Mitutoyo Contour Measuring Station
date: Jun 20,2025To increase our measurement capabilities and address the industry's escalating demands for precision and quality, Puwin introduced a new Mitutoyo Contour measuring station in June 2025.