Henan Yanshi Technology Co. Ltd., is a leading supplier in lightning protection products. We are engaged in research, design, manufacture and sales with many years research and exploration, we have gain a leading edge in the skill of lose efficacy protection for lightning protection. We have started in lightning protection area in 1999 and set up our own factory in 2006.

We have a performance test center for lightning protection. We could make a series of detection, such as optical analysis at the material surface, impact in structural mechanics, analysis of insertion-withdrawal force, chip resistance ability, TOV faults, lightning impulse, trip test, pressure test, low-temperature test, voltage sag experiment, electrical fast transient test, low-frequency conduction, etc. We also could use for routine examination and simulation operation of actual operation environment.

We had introduced the advanced management system from home and abroad. Strict, reasonable management and supervision are applied to each link of the products. We carry out comprehensive quality control and promote SPC (Statistical Process Control) gradually, and has passed ISO9001: 2000 International Quality Management Authentication, ISO4001: 2004 environment management System Authentication, TUV Safety Authentication, EU CE Safety authentication. All the products of lightning products have passed the RoHS test.

The Product Category includes power serie, signal seriesm antenna series and patented products and lightning counter. All the products have passed the test and attestation in correlative authority institution, and have the PPIC INSURANCE POLICY. Also, they have been widely used in many fields, such as telecommunication, meteorology, finance, videocast, electricpower, aviation and aerospace, petroleum and petrochemical industries, military affairs, railway, etc.