Which is better, Tambo down jacket or Bosideng?

Which is better, Tambo down jacket or Bosideng? There is no doubt that Bosideng down jacket will be better. The down products of Bosideng down jacket are clean and odorless, and they are selected duck down, while the cost of Tambor down jacket is slightly lower, so the price of down jacket in Tambor is not, Bosideng is high, and now the price in Boston is also high, which is a bit outrageous. An ordinary down jacket 1000, 2,000, 4,000, actually not at all.