Production Guarantee
The production area exceeds 10000 square meters
Quality Assurance
Ensure product quality through various inspection and testing methods
Technical Support
Solve customer problems at any time
After-Sale Warranty
Manual customer service is online at any time
Specifications Metal Telescopic Tube
Product brand Yongjia/YJ
Product power: 20~30W/M
Leakage current: ≤ 0.5 mA
Power deviation range: ± 5-7%
Normal insulation resistance: >100MQ
Normal insulation strength: 2200V3S without breakdown or flashover