Is it harder to find a good coupling manufacturer than a good coupling manufacturer?

It is incomprehensible for people to say that a huge passenger plane will be gone. If one is missing, there will be some clues, not to mention such a "big guy" carrying more than two people!It has been half a month since the loss of contact, is it the biggest of the earth?Outdated technology?Hidden good?Or is it an extraterrestrial child's play?There are speculations that make many countries around the world search like a needle in a haystack. It is recommended to mobilize people from all over the world to participate in this task. It is recommended that (2) travellers pay attention to the places they have traveled (1) explore and observe places that are adventurous, as a Chinese. More than 2 compatriots who have lost contact are very anxious, and they are also a member of the country.Coupling manufacturers-The machinery factory is worried and can’t wait to turn the earth over to clarify this bizarre fact. China will not be discouraged, and the relevant search and rescue countries will not be disappointed, and the separated family members will understand!One peace of mind!mechanical(3) The place where the research scientists use their knowledge instruments to watch carefully. (4) The people of various countries pay attention to all the clues of airliners around them. (5) Advocate that all countries in the world are responsible for providing all the satellite extraction materials in space, etc.!Don't believe it is an'alien's child's play'!The machinery factory is willing to do its part!