Hi @joaowan,
Wanchain is EVM (Ethereum Virtual Machine) so you most likely want to access it via MetaMask. Information on how to connect Trezor to MetaMak can be found in video posted here: How to use Trezor with MetaMask
Information on how to use EVM with Trezor can be found here: How to use EVM compatible chains with Trezor (Matic, Avax)