Your current Ethernet Switches, POE Switch, Fiber Media Converters, and Ethernet Solutions may have come from brands by USA, Japan, Europe, or Taiwan. But very likely without your understanding, products from these countries are originally made in China to save cost. Products made in China have been not considered as good quality assurance product.
Taiwan having been a quality manufacturer location for IT product, have you ever wondered — what do you own in your Ethernet products that are completely designed and made in Taiwan?
The answer is LCSI who supplies products designed and made in Taiwan completely.