求翻译：说我们之前一直在做内贸，客户大多是本国防火门和防火建材的生产厂家，也有很多专做出口的贸易公司从我们这里拿货，据说那些贸易商主要出口到东欧和北美市场是什么意思？

That we have been doing prior to domestic customers are mostly local fire doors and fire building materials manufacturers, there are many export trading company specializing in getting goods from us, said that traders are mainly exported to Eastern Europe and North America

We have said before, I have been working on domestic trade clients are mostly domestic fire doors and fire safety building material manufacturers, there are a lot of export trading company doing From here we use the money for the traders, it is said that those who are mainly exported to the Eastern

Said in front of us always is making the domestic trade, the customer mostly is our country fire door and the fire protection building materials manufacturer, also has very many makes the exportation the trading company to take the goods specially from our here, it is said these foreign traders main

Say we have been doing before domestic trade, customers are mostly national fire door and fire-resistant building materials manufacturer, there are also many export trading firms take goods from us, it is said that those traders are mainly exported to Eastern European and North American markets

Say we have been doing before domestic trade, customers are mostly national fire door and fire-resistant building materials manufacturer, there are also many export trading firms take goods from us, it is said that those traders are mainly exported to Eastern European and North American markets