Bid information service 21 lines (www.21line.co.kr) in Korea is the first mobile service available anywhere.▶ Main Features ◀1) Custom bidding / winning bid- Bid / bid information according to customization- New customized alarm service- Real-time update of announcement list- Save my documents- Change search conditions, customize settings, etc.2) Bid / successful bid details - Saving My Papers and Memorizing - Simplified analysis of winning bid (multiple sample calculation, assessment rate analysis) - List of winning companies, results, participating companies3) My Documents - Delete, change, add group - Announcement management by group - Scheduler function - Request for analysis, confirm analysis result4) Integrated search - Announcement search according to search condition - Announcement search with search word (announce name, order place, announcement number, winning company, first place company)5) Bid Archive - Average ratio of business status by sector - Possible to participate in bid by performance - Percentage of tighter limit6) Customer Center - Notice - question answer - Bid Training Application - Consulting application - Content development request