The tender for international petroleum engineering services includes bid sourcing , invitation for bid , pre - qualification , bidding , evaluation and award of bid , signing contract , registration of foreign branch company , agency , etc 摘要国际石油工程技术服务的招标包括标书来源、发标(发包) 、资格预审、投标、评标、授标、签订合同、到国外注册公司及市场代理等具体问题。