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  6. Eternal Challenge: A Thorough Comparison of "In-House Products" and "Purchased Items"!

Eternal Challenge: A Thorough Comparison of "In-House Products" and "Purchased Items"!

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The Lee Company

last updated:Apr 30, 2026

JUPITOR CORPORATION
JUPITOR CORPORATION
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Is the internal product's check valve really cost-effective? If you want to compare internal products with purchased items, please refer to this article!!

When developing electric vehicle (EV) systems, designers or OEM manufacturers must decide whether to "design and manufacture the necessary components in-house or purchase them directly from external suppliers." To make the appropriate selection of each component within the system, various factors must be considered beyond the initial purchase price, including total installation costs, design capabilities, manufacturing capabilities, supply chain constraints, and quality standards. This article examines the pros and cons of in-house production versus purchased components and provides insights to help you make the most suitable decision for your EV needs. Table of Contents Factor 1: Total Installation Costs Factor 2: Design Capabilities Factor 3: Manufacturing Capabilities Factor 4: Supply Chain Constraints Factor 5: Quality Standards How Can The Lee Company Help? You can find more detailed information at the following link: "Should You Make or Buy Your EV Components?"

    valve
Evaluation

Eternal Challenge: A Thorough Comparison of "In-House Products" and "Purchased Items"!

Evaluation Worksheet.jpg
Evaluation Worksheet.jpg Minimize Risk in EV Design.jpg 13 Questions.jpg 10-x-10-Industrial-Banner-Group.jpg
  • Should You Make or Buy Your EV Components ?
  • Special site - Product/service details - https://pr.mono.ipros.com/jupitor/product/

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basic information

- All units inspected before shipment - Quick/automatable installation method - Diameters of 2.5mm, 5.5mm, and 8.0mm - Unique Press-In installation specialized for resin/hose attachment - Integrated structure options available for orifices and screens

Price range

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Applications/Examples of results

ICE, BEV, FCV, Motorcycle, Internal Combustion Engine Vehicle, Battery Electric Vehicle, Fuel Cell Vehicle, Motorcycle, Construction Machinery, Agricultural Machinery, Semiconductor Manufacturing Equipment, etc.

Company information

JUPITOR

JUPITOR CORPORATION

Trading company/Wholesale

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Our company is a "manufacturer trading company that combines a trading division with design, manufacturing, and maintenance divisions to create products and value." By introducing cutting-edge overseas technologies and products and integrating them with domestic technologies, we aim to shape them to meet our customers' needs, thereby contributing to the development of our country's industry. We primarily import and sell excellent products that have been proven in overseas markets, focusing on aerospace, defense, maritime, and railway sectors. The Lee Company, a fluid equipment manufacturer based in the United States, has been supplying reliable products worldwide for over 70 years in aerospace hydraulic equipment, medical devices, and general industrial equipment, specializing in small fluid control components. Leveraging its extensive experience, Lee develops, manufactures, and sells high-quality, high-performance, and long-lasting products with advanced technological capabilities. Jupiter Corporation has had a dealership agreement with Lee for over 40 years and possesses deep experience and numerous achievements in the domestic market. Additionally, we also handle products from Leach and Glenair, manufacturers related to electronic and electrical equipment, specifically in relays and connectors. We provide not only sales but also technical support.

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