Qingdao Hairong Sealing Material Co.,Ltd

Main products are as following: Flexible Graphite Roll & Sheet, is a collection of related data treated as a single entity. For example, a hockey trading card could be called a record: it brings together the name, photograph, team, and statistics of one player. Using database terms, each of these related pieces of information is called a field: each hockey card recordhas a name field, a photograph field, a team field, and various statistic fields. A collection of records that share the same fields is called a table because this kind of information can easily be presented in table format: each column represents a field and each row represents a record. In fact, the word column is synonymous with the word field, and the word row is synonymous with the word record.