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Foshan Zeren Precision Casting Co., Ltd. was founded in 2009, with a precision casting plant and a mechanical processing plant, located at Foshan, Guangdong, China.
 

We use advanced investment casting(lost wax casting) process for precision castings production, which are made of stainless steel, carbon steel and alloy steel, etc.


We can provide subsequent machining of casting, we also passed and implemented the ISO9001:2015 quality management system.
Who We Are
Foshan Zeren Precision Casting Co., Ltd. is a professional manufacturer specializing in investment casting and CNC precision machining. Established in 2009 in Foshan, Guangdong, China, we provide high-quality metal parts and complete manufacturing solutions to customers worldwide.

We operate two core production facilities:

1. A silica sol investment casting plant focused on precision castings with high dimensional accuracy

2. A CNC machining workshop equipped with advanced turning, milling, and finishing machinery

Our products are widely used in aerospace, automotive, marine, medical equipment, construction, and general industrial machinery. Whether it’s a complex stainless steel component or a high-tolerance machined part, we deliver quality with speed, precision, and consistency.

Foshan Zeren
What We Do
Our Capabilities
Why Choose Us
SERVICE
Foshan Zeren
How We Ensure Quality
Our Quality Control
We Can Provide High-Quality Products and Services Through Rigorous Control and Certified Processes!
At Foshan Zeren Precision Casting Co., Ltd., quality is not just a step — it’s built into every stage of our process. From ISO-certified systems and high-end testing equipment to strict process control and inspection protocols, we ensure each component meets the highest standards of accuracy, reliability, and performance.

We believe that quality is the foundation of long-term success. That’s why every step of our production process is governed by a strict ISO 9001:2015-certified quality management system.

Systematic Quality Management​​​​​​​
We follow a certified ISO 9001:2015 system with standardized procedures and continuous improvement practices.​​​​​​​
Advanced Inspection & Testing​​​​​​​
Equipped with spectrometers, CMM, hardness testers, and NDT tools to ensure precision and performance.
Full-Process Quality Control​​​​​​​
Quality is monitored at every stage — from raw materials to packaging — with complete traceability.
Our Journey​​​​​​​
Foshan Zeren
Our Mission & Values
Our Mission​​​​​​​
To deliver high-quality, precision-engineered casting and machining solutions that drive our clients’ success.​​​​​​​
Quality First​​​​​​​
We uphold the highest standards at every stage — from raw materials to final inspection — ensuring each part is reliable, consistent, and performance-ready.​​​​​​​
Integrity & Innovation
We conduct business with honesty and transparency, while continuously embracing new technologies and process improvements to stay ahead.​​​​​​​
Customer Success​​​​​​​
Our clients' success is our top priority. We provide flexible, customized solutions and responsive service to meet evolving needs.

Main Business

 
Our company focuses on the lost-wax investment casting products, offer mold manufacturing, CNC machining, polishing, surface treatment and other design services.

From stainless steel investment castings to carbon steel investment castings, we keep you ahead of the competition. Our attention to detail using precision casting and the machining techniques produces the highest quality steel castings for various industries.

Our Quality Services Include

  • Industry leading delivery and "customized" service
  • Production from a ounces to approximately 150 pounds
  • Creative engineering to keep your costs down
  • Flexible volume capabilities
  • Adherence to world-wide standards and specs
  • An arsenal of value-added services and processes involving casting, CNC machining, surface treatment and assembly - just ask

Casting Analysis & Design

IS INVESTMENT CASTING RIGHT FOR YOUR COMPONENT? No two casting projects are the same and with different projects, there are different solutions.

Mould Manufacturing

Zeren’s proprietary, mold manufacturing process technology is designed to measure and correct dimensional issues during the mould manufacturing process.

Lost Wax Investment Casting

All of our items are silica sol investment casting with better surface roughness Ra3.2, instead of water glass investment casting Ra12.5.

Secondary Machining

With full high-speed CNC machining in-house, we can quickly perform any necessar y machining quickly and cost-effectively.

Our History & Milestones

  • 2009 – Company Founded
    • 1. Established in Foshan, Guangdong, China
      2. Began with a vision to provide high-precision investment casting
      3. Launched our first casting facility using the silica sol (lost wax) process
  • 2010 – ISO 9001:2015 Certification Achieved
    • 1. Formalized our quality management system to international standards
      2. Introduced comprehensive inspection protocols: CMM, NDT, spectrometry
      3. Strengthened quality control from raw material to final product
  • 2011 – Expanded Production Capabilities
    • 1. Added CNC machining services for post-casting precision finishing
      2. Started serving clients in Southeast Asia and Europe
      3. Invested in advanced tooling and mold-making systems
  • 2012 – Full-Service Manufacturing
    • 1. Integrated mold design, casting, machining, and surface treatment under one roof
      2. Built strategic partnerships with clients in marine, automotive, and industrial sectors
      3. Began offering rapid prototyping and 3D printing support
  • 2014 – Global Reach and Diversification
    • 1. Expanded customer base across North America, Middle East, and Eastern Europe
      2. Launched multilingual client support and export logistics coordination
      3. Supplied precision components to aerospace and medical equipment markets


       
  • 2016 – Technological Upgrades & Digitalization
    • 1. Adopted smart manufacturing tools and ERP system integration
      2. Upgraded CNC machining centers and quality inspection lab
      3. Enhanced lean production to improve efficiency and sustainability
  • Today – Trusted Global Manufacturing Partner
    • 1. Serving clients in over 30 countries
      2. Offering one-stop solutions from casting to delivery
      3. Known for quality, customization, reliability, and responsive service

01

As the member of China Foundry Association, we execute the same size tolerance and material standards as Europe and America. The product conforms to the ROHS standard, the casting surface roughness is around in Ra 3.2, and weight range is from 1 gram to 30 kg. The size range, one direction can reach to 600mm, while the other two directions can reach to 400mm. We has a full set of precision casting and testing equipment, including Wax injection machine, Shell making equipment, Dewaxing kettle, Mid-frequency furnace, Shot-blasting machine, Cutting machine, Grinding machine, Hydraulic press machine, 3D printer, Direct reading spectrometer, Hardness machine, etc.

02

Our machining plant has machining centers, CNC lathes, EDM (Electrical Discharge Machining), wire cutting machines, Milling machines, Lathes, 3D counting machines and many other complete sets of processing equipment. Our senior engineers and mechanical engineers have over 20 years’ experience in casting and machining field and product development. Sure we have a team of high-skilled and high-quality professional technicians.

03

The application of casting and machining production is very wide, our main products are: machine parts, engineering machinery, kitchenware, stainless steel faucet, automobile and motorcycle parts, heat-resistant steel parts, hardware tools, lighting accessories, watch shell and crafts, medical equipment, lock valve, electrical appliances, etc.

04

Our products can be almost cover the whole machine manufacturing industry, and we can provide post-processing procedures for customers, such as: machining, mechanical polishing, electrolytic polishing, electroplating, and electrophoresis, etc. Through the seamless combination of 3D printing and precision casting, we can produce castings of less production, complex and research and development, without mold making. This can save time and cost for our customers.

Zeren Workshop

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