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i participate the work of international trade not long time.our factory is a leading manufacturer of copper tube which include various design and denomination. the products being handled our factory are accordance with ASTM B280 and other foreign standards.our company don't apply to use b2b system because we learn that the result used b2b is not desirable which doesn't satisfy with my requirement.we want to make full use of network so i want to know how to effectively utilize the search engine for example "google" and "baidu" to find importer in foreign.i would be obliged if you would ask me some methods regarding look for foreign guest.