Could you provide a list of the testing methods and standards used to verify the quality of your FM Interphone products?
Are there any restrictions on the resale or redistribution of FM Interphone products after purchase?
What are the typical documentation requirements for customs clearance when importing/exporting FM Interphone products?
Can you provide references or contacts for third-party verification of the quality and authenticity of your FM Interphone products?
What is your process for handling emergency orders or urgent shipments of FM Interphone products?