求翻译：（1）消息来源：卖方6月5日的建立业务关系函 （2）商品：货号510的桌布 （3）请卖方报CIF SUDAN价，含5%佣金，计价货币是美元 （4）我方已入行20多年，在世界各地有分公司，可为对方打开市场效力是什么意思？

(1) Source: June 5, the seller of a business relationship letter (2) Goods: No. 510 wallpaper (3) Please report CIF SUDAN price of the seller, including 5% commission, the currency is denominated in U.S. dollars (4) our 20 years has been to join in the worldwide division, the effectiveness of open m

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(1) news origin: Seller June 5 establishment business relation letter (2) commodity: Goods number 510 tablecloths (3) asks the seller to report CIF the SUDAN price, including 5% commission, counts the price currency is US dollar (4) we entered a line of more than 20 year, has the subsidiary company

(1) source: seller June 5 letter of establishing business relations (2) goods: number 510-cloth (3) the seller CIF SUDAN, 5% Commission, the currency is the dollar (4) we have joining more than 20 years, has branches all over the world, working for each other's open market

(1) Source: June 5, the seller of a business relationship letter (2) Goods: No. 510 wallpaper (3) Please report CIF SUDAN price of the seller, including 5% commission, the currency is denominated in U.S. dollars (4) our 20 years has been to join in the worldwide division, the effectiveness of open m