This depends on the specific application equipment needs it.
① First of all, there are many types of connectors, industrial connectors (Dynamic Dynamic Connectors), heavy-duty connectors, AMP automotive connectors, appliance connectors, data communication connectors, etc.;
② Secondly, there are too many connector brands and manufacturers, foreign Tyco, Weidmüller, and so on; domestic in recent years there is a comparison of enterprises. But now the market or Tyco's share is larger.