after study some basic knowledge about valve parts, now i plan to start to find clients abroad, too much tries, no feedback
letter sent to others,i never get reply.
now i want to know,
1.how to judge whether the clients is a manufacturer or a middleman?
2.how to should i search for the right email address?
3.for clients, i should make the content brief and short to convenient reading?
4. if you donnot his or her name, how will you call him/her to show your sincerity?
thanks for incoming answer.
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