About IEST
Advanced Testing Solutions for Next-Gen Energy Storage
Company Profile
Our Innovation | Your Success | Sustainable Energy
IEST Instrument (Initial Energy Science & Technology Co., Ltd.) is a pioneering technical service provider in advanced energy storage. We specialize in delivering high-precision, industry-leading testing solutions for electrochemical energy storage systems as well as battery materials, electrodes, cells, automation, and smart laboratories.
Backed by a multidisciplinary R&D team and over 100 authorized patents,, drives independent innovation in characterization methods, equipment technologies, and application solutions.
To date, we have delivered more than 6,000 instruments to over 1,300 customers worldwide across more than 45 countries and regions. Our solutions are trusted by leading enterprises, research institutions, and testing organizations in power batteries, energy storage systems, and advanced materials research, earning global recognition for technological leadership and industry impact.
Guided by a customer-centric and innovation-driven philosophy, IEST remains committed to supporting the global energy transition and sustainable development.
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Global Clients
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Application Articles Published
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LIBs Testing Patents Authorized
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Publications in Top Journals
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Testing Standards Drafted
Corporate Culture
Mission
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Enhance clients' quality standards
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Empower our clients to achieve R&D success
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Accelerate the global advancement of new energy
Vision
Customer-driven and innovation-powered,
Striving to be a world-leading technology service provider in the new energy sector
Value
Pragmatism | Innovation | Responsibility | Striving | Win-win
Intellectual Properties
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Authorized Patents
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Utility Patents
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Invention Patents
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Design Patents
Why IEST
Continuous R&D Innovation
IEST is dedicated to advancing lithium-ion battery testing technologies. Through continuous innovation, we have developed cutting-edge characterization methods for materials, cells, and processes, helping customers overcome R&D and testing challenges.
Non-standard Customization
Driven by customer needs, we manage the entire process—from method development and structural design to precision machining and production—delivering high-quality, one‑stop customized solutions.
Trusted by 1200+ Clients
We have delivered over 4,000 instruments to more than 1,200 customers across 40+ countries and regions. Our key partners include leading material suppliers, battery cell manufacturers, universities, research institutes, and third-party testing organizations.
Cutting-edge R&D Team
Our highly skilled team — including PhDs, Master's degree holders, and industry experts from the lithium battery sector — accounts for over 60% of our workforce, ensuring deep technical expertise and innovation.
Comprehensive After-sales Support
We offer prompt responses to inquiries, regular on-site visits, and dedicated support from after-sales engineers and application R&D specialists — ensuring standardized equipment use, quick issue resolution, and accurate test data analysis.
Comprehensive Lab
ISO9001 Certification
CE Certification
ISO 45001 Certification
TÜV Rheinland
Global Clients
IEST Instrument have provided more than 6000 sets of equipment to more than 1300 clients at domestic and overseas.
Laboratory Show
Product Catalog
PDF Brochure • V1.7
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