You need a clear opening statement
A clear opening statement means that all participants in the negotiation understand the background, current situation and main interests of each party. Each side should make an opening statement before the discussion can progress. You should begin with a short summary of your company if it's new to the other party then clearly state your general and specific interests.
Glossary
participant (n.) 参加者，与会者
be founded in 建立/创建于(......时间)
be set up 建立，设立
manufacture (v.) 制造，加工
supply (v.) 供给，提供
provide service 提供服务
be interested in 对......感兴趣
key interest 最感兴趣的，兴趣所在
vital (adj.) 至关重要的，生死攸关的'
Start at the beginning
At the beginning of any negotiation, one of the most important things is for both parties to agree on the overall procedure and objectives. This is essential so that both sides have a clear idea of the agenda and that nothing will be forgotten or omitted.
Glossary
overall (adj.) 全面的
procedure (n.) 程序；步骤
objective (n.) 目标，目的
essential (adj.) 基本的；本质的
so that 为的是（词短语表目的）
agenda (n.) 议程
forgotten (pp.) 忘记（动词 forget 的过去分词形式）
omit (v.) 忽略；遗漏
establish (v.) 确立
achieve (v.) 获得