the market concentration of biphenyl-diphenyl ether is high, and the market share of domestic products is gradually increasing.
diphenyl and diphenylether (diphenyl and diphenylether), also called diphenyl ether-biphenyl and diphenyl ether, is a mixture of 26.5% diphenyl and 73.5% diphenyl ether. biphenyl-diphenyl ether is a c…
