Everyone says that Eterboard is actually Eternite's brand calcium silicate board, which is actually Eternite's calcium silicate board. It's just that somebody else's Eterboard has a trademark, so the landlord should not be cheated by those merchants who are under the banner of Eternite. Generally, big brands like Eternite, Shandong Lutai, Zhejiang Kaier, Tangshan Ruierfa, their 9mm is around 50-60, there must be a difference.