Our otdr equipment cooperate with tungsten steel manufacturers to carry out material research and jointly develop tungsten alloy materials. Through continuous efforts, we finally successfully develop tungsten alloy materials that can meet the market demand. After experimental verification, the service life is more than 5000 times. All our otdr equipment electrodes are produced and sold by ourselves, and we have various welding machine manufacturer certification certificates.

China direct factory, competitive price, your interests are guaranteed.

There are product warranty period, special after-sales service, after-sales service is guaranteed.

We have complete production technology and management.