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1408-2025
What exactly is a lightning arrester used for?
Learn the role and purpose of lightning arresters, how they differ from surge protectors, their working principles, and tips for choosing lightning test equipment.
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0509-2022
Rui Du equipment is sold to Thailand
Thailand customers finally chose to cooperate with our company to purchase RDYZ-IV Arrester Counter Tester!
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2408-2022
Sudan Customers Purchased a Batch of Equipment
Recently, Sudan customers have reached a cooperation with Rui Du Mechanical and electrical to purchase a batch of RDYZ-302 Metal Oxide Surge Arrester Analyzer and RDYZ-IV Arrester Counter Tester from our company. Up to now, this batch of equipment has been produced and successfully sent to the port through quality control at different levels.
