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Markets
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      Markets
      
      Automotive
      
      High Horsepower Engine
      
      Construction Equipment
      
      Agricultural Equipment
      
      Hydraulic Equipment
      
      Aerospace
      
      Medical
      
      Energy
      
      Other Industries
      
      Automotive
      
      Impro is an efficient and cost-effective one-stop solution provider with the scale and capability to meet the evolving needs of automotive customers.
      
      High Horsepower Engine
      
      Impro specializes in manufacturing mission-critical investment castings, sand castings, and precision machined components for high-horsepower engines.
      
      Construction Equipment
      
      Impro supplies a broad range of components for construction equipment manufacturers, including engine fuel system parts, hydraulic system parts and transmission system parts.
      
      Agricultural Equipment
      
      Impro is a manufacturer and supplier of a wide variety of parts for agricultural equipment, including investment castings, precision machined components and sand castings for use in hydraulic systems, transmission systems and engines for combine harvesters, seeders and tractors.
      
      Hydraulic Equipment
      
      Impro manufactures and supplies high precision CNC machining components and investment castings to customers in the hydraulic equipment sector. Typical hydraulic components that Impro produces include custom valve spools, pump pistons, sleeves, and valve bodies.
      
      Aerospace
      
      At Impro, we use a variety of machining and casting techniques to produce aerospace components that meet industry standards and customer requirements.
      
      Medical
      
      Impro is a trusted partner to world-class OEMs in the medical industry for investment castings, sand castings and precision machined components. Our products are integrated into medical devices such as diagnostic equipment, surgical instruments, patient handling equipment and more.
      
      Energy
      
      Our manufacturing capabilities—including investment casting, sand casting and precision machining—allow us to make durable, high-quality components for the energy industry capable of meeting or exceeding industry standards and customer requirements.
      
      Other Industries
      
      Impro offers a wide array of capabilities to its customers, including investment casting, sand casting, precision machining, and surface treatment. No matter your industry, Impro is your go-to source for high-precision, high-complexity, and mission-critical components.
      
      Blog
      
      In the Cockpit: Aluminum Castings in Avionics and Interior Components
      
      December 1st, 2024
Manufacturing Technologies
- Manufacturing Technologies
  
  Investment Casting
  
  Precision Machining
  
  Sand Casting
  
  Surface Treatment
  
  Other Processes
  
  Impro Mexico
  
  One-Stop Solutions
  
  Investment Casting
  
  Investment casting is a metal forming process that generally involves using a wax pattern surrounded by a ceramic shell to form a ceramic mold. Once the ceramic shell is dry, the wax is melted out, and the ceramic mold is formed.
  
  Overview
  
  Process Introduction
  
  Process Animation
  
  Equipment
  
  Materials
  
  Capabilities
  
  3D Printing Technology
  
  Typical Products
  
  Precision Machining
  
  Precision machining is a process to produce accurate components with high tolerances and excellent surface quality by removing materials from a workpiece. It involves a combination of several or all of the turning, milling, drilling, gear cutting, honing, grinding processes, and other steps.
  
  Overview
  
  Process Introduction
  
  Equipment
  
  Materials
  
  Capabilities
  
  Typical Products
  
  Sand Casting
  
  Sand casting is a metal forming process in which a mold is first formed from a three-dimensional pattern of sand, and molten metal is poured into the mold cavity for solidification.
  
  Overview
  
  Process Introduction
  
  Process Animation
  
  Equipment
  
  Materials
  
  Capabilities
  
  3D Printing Technology
  
  Typical Products
  
  Surface Treatment
  
  Surface treatment generally refers to a process to alter an object’s surface to enhance its appearance or functional properties. At Impro, surface treatment refers to electroplating, one of the most widely-used surface treatment techniques that provide broad coverage of coating metals and high cost-efficiency.
  
  Overview
  
  Process Introduction
  
  Process Animation
  
  Capabilities
  
  Typical Products
  
  Other Processes
  
  Impro is an integrated one-stop solution providers. In addition to our primary manufacturing process technologies, we have other in-house casting processes such as permanent mold casting and shell mold casting to satisfy aerospace customers’ need for precision aluminum castings. At Impro manufacturing facilities, our comprehensive heat treatment and laboratory services can ensure products are processed timely in accordance with exact specifications and customer requirements.
  
  Permanent Mold Casting
  
  Shell Mold Casting
  
  Heat Treatment
  
  Laboratory Services
  
  Impro Mexico
  
  Global trade policies, supply chain issues, transportation and shipping capacity shortage are among many factors that impact customers in different regions around the world. It can impede customer demand, slow down supply chain capabilities and raise costs. Localized production and near-sourcing are the growing trends. To offset the hurdles and provide more vertically integrated solutions to North American customers, Impro’s high precision machining and casting operations are expanding into Mexico.
  
  Overview
  
  About Impro Mexico
  
  Precision Machining Plant
  
  Sand Casting Plant
  
  Investment Casting Plant
  
  Aerospace Components Plant
  
  Surface Treatment Plant
  
  One-Stop Solutions
  
  Our manufacturing capabilities cover the entire casting component production process, from tooling design and manufacturing, casting, secondary machining, heat treatment, surface treatment to finishing, enabling us to offer ready-to-use products and services to customers.
  overview：We offer comprehensive one-stop solutions that cover the precision component manufacture value chain throughout the entire product life cycle.
  
  One-Stop Solutions
  
  Top Stories
  
  230kV High-Voltage Substation Officially Commissioned at Impro Mexico SLP Campus
  
  September 28th, 2026
Corporate
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      Corporate
      
      About Impro
      
      History
      
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Investors
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      Investors
      
      Stock Information
      
      Financial Information
      
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      Investors Calendar
      
      Corporate Governance
      
      Analyst Coverage
      
      Prospectus
      
      Shareholders Communication Policy
      
      Investor & Media
Career
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      Career
      
      Employee Development & Motivation Programs
      
      Job Opportunities
Contact Us

Sand Casting Design Guidebook

Impro / eBooks & Whitepapers / Sand Casting Design Guidebook

Sand Casting Design Guidebook

3 20 CST19,2021

Impro Precision was founded in 1998. The company is a global top 10 manufacturer of high-precision, high-complexity and mission-critical casting and machined components for diverse and dispersed end-markets, serving a number of globally recognized industry leaders.

MARKETS

Automotive
High Horsepower Engine
Construction Equipment
Agricultural Equipment
Hydraulic Equipment
Aerospace
Medical
Energy
Other Industries

MANUFACTURING TECHNOLOGIES

Investment Casting
Precision Machining
Sand Casting
Surface Treatment
Other Processes
Impro Mexico

RESOURCES

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eBooks
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CORPORATE HEADQUARTERS

Room 803, 8/F
6-8 Harbour Road
Wanchai, Hong Kong

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