ABOUT US
Shandong Cresin Electric Co., Ltd. is a technology-oriented high-tech enterprise. It specializes in providing customers with various voltage levels of AC power supplies, DC power supplies (photovoltaic, wind power) surge protective devices, as well as various analog and digital surge protective devices, surge circuit breakers, and other products and application solutions. With professional expertise in the technology field combined with today's advanced electronic technologies, Cresin is committed to helping clients and various industries enhance their value and achieve mutual success across the entire industrial chain. Integrity serves as the bridge connecting us to the world. Cresin is dedicated to collaborating openly with partners, fostering interconnectivity and communication between companies and customers, unleashing each party’s potential, and driving joint progress. Adhering to the principle that "technology is the foundation of our business, and integrity is a habit," Cresin will continue to strive forward with determination under the attention of society and its partners, embracing a brighter tomorrow.
Credibility & Sincerity
Cresin Electric was established in December 2014, specializing in the research, development, and manufacturing of lightning protection equipment, intelligent surge protection devices, and lightning monitoring systems.
12 Years of Surge Protection Focus
Our 12 years of experience working in the surge protective device industry guarantees the quality of the products we produce.
Solid Supply Chain System
Our reliable suppliers guarantee a steady supply of quality SPD components even during peak periods.
Flexible Logistics Management
We connect with trusted logistics companies, providing you with versatile delivery methods for your surge protective devices.
Efficient ERP Office System
We utilize a high efficient ERP office system to optimize our productivity and traceability, serving you better and more efficiently.
Qualified Engineers
Our knowledge and dedicated engineers excel in designing and manufacturing excellent components to satisfy your needs.
0.0001% Defect Rate
Our manufacturing floor implements rigorous quality control that ensures almost all of our SPD components perform above standards.
Development History
From an office of only a few square meters to a 2,500-square-meter production workshop equipped with advanced production equipment, our surge protectors are providing the most reliable safety protection for building systems in all walks of life. Click through the timeline to explore key moments in our company’s evolution.
2014 | Foundation
2016 | Qualification & Market Breakthrough
Awarded State Grid procurement contract to access its official supply chain.
2018 | IP Development & Brand Establishment
Establishment of CRESIN Brand. Registered proprietary trademark CRESIN.
Admitted into the Lightning Protection Branch of China Quality Association and Smart City Alliance for industrial resource collaboration.
2019 | Capacity Expansion & Qualification Accreditation
CSMS-B40/AC acquired EU CE certification to support overseas trading.
Recognized as a High-tech Enterprise and enrolled as a member of Shandong Electrotechnical Society.
2020 | System Certification & Municipal SRUI Accreditation
2021 | Provincial SRUI & Lightning Monitoring Patent
2022 | High-Voltage Certification & High-Tech Renewal
CSMS-B40/DC1800 (high-voltage DC product) obtained CE certification;
Successfully renewed National High-tech Enterprise certification.
2023 | CE Product Certification & System Recertification
Renewed three ISO management system certificates and obtained a range of new utility patents for surge protection spare parts.
2024 | Re-accreditation of Provincial SRUI & Patents
Gained patents for intelligent backup protectors and explosion-proof surge protective devices.
2025 | Industry Alliance & Standard Certification
Obtained DCMM data management and green supply chain certification. CSMS-B40/AC385 was certified by CQC;
High-tech Enterprise qualification successfully renewed.
2026 | Management System Renewal
Certificates
The product has received authoritative certification and meets the entry requirements for domestic and international project bids.
OEM Partnership
One-stop customized solution, meeting special surge protection design requirements, and creating exclusive partnership cooperation.
Contact Us
Please feel free to contact us immediately if you have any questions, we will provide professional technical support for you at once.
Blog
Looking for expert surge protector knowledge? Keep up to date with the latest product knowledge and industry information on our blog.
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Contact Us
Address: No. 978 Tianchen Road, High-tech Zone, Jinan, Shandong,China
CAN’T FIND THE PRODUCT?
The product range includes production technologies for smart capacitors, digital display meters, surge protectors, dedicated backup protection devices for surge protectors, self-resetting over/under-voltage protectors, control and protection switches, and automatic transfer switches for dual power supplies.
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