高人翻译一句话 谢谢

Dear friend:
These products are imitations without serial number.But their quality is very good.Thanks.

Dear friends:
These products are counterfeit from the original product and they have no series number, but they have good quality. Thank you.

Dear friends: These goods are counterfeit products, no serial number, but the quality is very good, thank you

Dear friend:these goods are mimics,they don't have sequence numbers,but the qualities are very good,thanks.