Counterfeit zinc oxide arrester identification method

In addition to counterfeiting, no testing, and poor craftsmanship, parallel imports often use some falsification techniques. First, inferior rubber. Manipulation: Use cheap rubber instead of silicone rubber (such as doped with ethylene-propylene rubber, secondary rubber, etc.). Hazard: The life

Continue Reading

This is the correct way to open the 4K set-top box!

There are many players who buy 4K set-top boxes are rushing expensive to buy, always feel that the price is what is placed there, the more expensive the price is certainly the better the performance, but many features only to buy home furnishings, 4K set-top box used only th

Continue Reading