To avoid forming a local company, and reduce your compliance administrative and cost burdens, you can trade like the EU VAT non-resident regime. For importing, and clearing the goods, you will require:
Tax Identity Number from the tax office. This will require you to appoint a local fiscal representative (accountant or lawyer). They can record all transactions, GST paid and due, and submit quarterly GST returns on your behalf.
Unique Entity Number for customs clearance. To avoid forming a local establishment, you can use your freight handler’s number