给下面信函写一个英文标题( subject ),然后将信函翻译成中文。 Subject: ___________________________________________________________ Dear Sirs, We learn from the Commercial Counselor's Office of our embassy in your country that you are leading importers of Chinese Cotton Piece Goods. We are glad to introduce ourselves as a state-operated corporation, specializing in the export of Chinese Cotton Piece Goods. We express our desire to establish business relations with you. To give you a general idea of our products, we enclose a copy of our catalogue for your reference. We await your early reply. Yours faithfully,