Shanghai Leierwo Industry & Trade Co., Ltd.

Global expert in precision casting and 3D printing innovative solutions

An ISO/IATF-certified precision casting manufacturer with 20 years of experience. We offer investment casting, sand casting, CNC machining, and advanced 3D printing solutions, delivering custom metal parts worldwide. Get a free quote now!
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ABOUT US

Shanghai Leierwo Industry & Trade Co., Ltd., a global manufacturer of intelligent manufacturing, is centered around an international chemical and trade group, specializing in metal casting, industrial 3D printing, rapid casting, and integrated equipment and consumables. Leveraging flexible customization, the company meets the needs of single-piece, small-batch, and large-scale production, supported by a comprehensive supply chain. Leveraging advanced R&D partnerships, the company distributes its products to over 30 regions worldwide, building a highly efficient global service network integrating “trade + manufacturing.”
What We Offer
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Leierwo is committed to providing the highest quality precision metal parts manufacturing services, including precision casting, investment casting, sand casting, and CNC machining. We offer customized solutions and can complete your design within 3–5 weeks, depending on the complexity of the parts. Before mass production, we provide one free sample for testing and approval.
Investment Casting Service
Features: Investment casting has high precision, can adapt to complex shapes, has smooth surface and little material waste.
Applications: aerospace, precision machinery, automobiles, medical equipment, etc.
Sand Casting Service
Features: It uses sand mold, which is low in cost and suitable for large and complex-shaped metal castings.
Applications: automotive parts, mechanical structural parts, large castings.
CNC Machining Services
Features: high precision, complex parts, and mass production.
Applications: molds, medical device parts, aluminum alloy engine cylinder blocks/cylinder heads.
Our Casting Services – Fufilled Across Metal Grades
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Leierwo possesses extensive expertise across a wide range of alloy grades, enabling our customers to select the ideal materials to optimize their products and meet the most demanding global application requirements. Feel free to explore the alloy series listed below to find the perfect match for your specific needs.
Carbon Steel Castings
Alloy Steel Castings
We Provide Comprehensive Manufacturing Solutions
Carbon Steel Castings
Alloy Steel Castings

5 Reasons To Choose Us

Leierwo has been in the precision casting and metal casting industry for over 18 years, accumulating extensive experience in various casting processes. We can redesign your parts to perfectly fit the precision casting production and recommend the best casting process based on the structure of your components. Our factory is certified with ISO 9001:2015 and IATF 16949:2016, and we implement strict inspection procedures to ensure the reliability and optimal performance of your project. Nearly all precision castings are customized according to customer drawings, and we guarantee delivery timelines without compromising quality. For urgent orders, we support batch shipments.
Extensive Industry Experience
More than 20 years of focus on the manufacturing field, professionalism can stand the test of the market.
Integrated Services
End-to-end manufacturing solutions, solving production problems with less effort and worry.
Technological Leadership
Mastering advanced 3D printing technology to inject innovative momentum into production.
Global Layout Capabilities
Rich global export experience helps products expand into the international market.
Flexible Production Model
Customizable on demand, flexible production adjustment to meet diverse needs.

Start Your Project with Leierwo

1. Submit Your Inquiry
Send your CAD drawings and 3D files via email, specifying material grade, order quantity, surface finish, or any other relevant details.
2. Cost Calculation
Once we receive your design, our engineering team will carefully evaluate the drawings and calculate the price based on actual production costs as soon as possible.
3. Start Production
Upon pricing approval, our production team will prepare the materials and schedule production promptly.Leierwo always ensures on-time delivery.
4. Arrange Delivery
After production is completed, we will provide packaging details and arrange shipment via sea or air. We support global shipping for every order.
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PRODUCT

We are committed to providing high-performance, high-precision customized solutions.
Automobile Manufacturing
Leierwo, with its I80 9001 and IATF16949-certified quality management system, meets the automotive industry’s stringent requirements for component performance, consistency, and quality control. Capable of casting materials such as alloy steel and carbon steel, it is suitable for manufacturing key parts such as engine mounts, transmission housings, and brake system components. Furthermore, the company possesses CNC machining capabilities, enabling subsequent processing of precision castings to enhance dimensional accuracy and assembly compatibility, further meeting the high-standard processing requirements of automotive components.
Valve Casting
Leierwo has many years of experience in the precision casting field, particularly in the manufacture of valve components. The company specializes in the production of precision castings made of carbon steel, alloy steel, and stainless steel—materials commonly used in the valve industry. By utilizing advanced technologies such as mold casting and silica sol processing, the company is able to achieve high-precision molding of complex structural parts, meeting the performance requirements of valves under high-temperature, high-pressure, and corrosion-resistant operating conditions.
Pump Manufacturing
Pump products typically require high casting precision and material properties, and Leierwo’s expertise in pump casting is particularly prominent. The company’s extensive application in pump and valve accessories demonstrates its mastery of the casting process for key components such as pump bodies, impellers, and sleeves. Precision casting technology effectively controls the uniformity of casting wall thickness and internal cavity accuracy, reducing subsequent processing and improving overall efficiency.
General Casting
Leierwo boasts strong adaptability and scalability in the general casting field. Whether it’s for construction machinery, garment machinery, marine components, or other non-specific metal components, Leierwo offers customized casting and machining services tailored to customer needs. Its CNC machining shop also enables subsequent finishing operations such as drilling, turning, and tapping, providing a one-stop service from design to finished product.
Automobile Manufacturing
Meet the automotive industry’s stringent requirements for component performance and quality control.
Valve Casting
Meet the requirements of valves under high temperature, high pressure and corrosion resistance conditions.
Pump Manufacturing
Pump products usually have high requirements on casting precision and material performance.
General Casting
Can provide customized casting and processing services according to customer needs.

OUR PARTNERS

Leierwo serves customers across North America, South America, Asia, and Europe. Our key clients are based in the United States, Canada, the United Kingdom, Italy, Germany, France, Japan, Saudi Arabia, and more. Over the past 18 years, we have built and maintained strong relationships with our clients by providing exceptional customer service and high-quality cast products.

If You Have Any Ideas, Please Contact Us

Whether you are looking for product details, prices or expert advice, we are committed to providing you with efficient support.

FAQ

We are a factory with over 20 years of experience in casting and machining. We have rich expertise in this industry. If you come across suppliers claiming to produce castings in a wide range of materials (such as steel, iron, stainless steel, copper, etc.), they are likely trading companies. If you see workshops actively producing parts, you can be assured that we are a genuine manufacturer.

Yes, as long as we receive CAD files or compatible 3D models that can be viewed with software like First Quote or Firstcut browser, we can provide a quotation. Please note that 2D drawings alone are insufficient for manufacturing precision components.

We support 3D CAD models from SolidWorks (.sldprt), ProE (.prt), and other CAD systems, commonly in IGES (.igs), STEP (.stp), ACIS (.sat), or Parasolid (.sat) formats.

We have an internal service system that responds to emails within 4 hours. If your request is urgent, please specify it in your email so we can prioritize your inquiry.

For rapid prototyping:
Silica sol casting: 20–30 days
Sand casting: 7–10 days
For mass production with machining included, the typical lead time is 45–60 days.
More complex parts may require a different delivery schedule.

Yes, we provide samples based on your drawings for you to confirm structure and quality. If the sample does not meet your requirements, we will replace it free of charge until it is qualified.

We accept T/T (bank transfer), Alipay, credit card, etc. Typically, we require a 30% down payment upon order confirmation and the remaining 70% before shipment. For custom parts with complex requirements, additional pricing terms may apply.

We have a comprehensive quality control system that covers every step, from raw material procurement to machining processes and final inspection. For critical components, we strictly follow drawing standards and customer specifications.

All customer data is kept confidential. Only trained engineers are authorized to handle production orders. Third-party inspection or factory audits are welcome, or you may use our in-house quality team for final inspection.

Yes, we guarantee that all materials used are 100% genuine and as specified.

We value long-term cooperation and support our customers’ production needs.

We believe every honest customer is a friend, and we treat our partnerships sincerely—building friendships and strong teams regardless of where our customers come from.

Contact us now

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