The People’s Republic of China issued national standard《Photographic Standard of Down and Feather》
－－Valuable book of controlling down and feather quality
Do you worry about how to accurately judge plumule or feather? How many percentage of the damaged area of the feather can count into damaged feather? How to judge goose or duck species? Now, all these questions can be solved in GSB16-2763-2011《Photographic Standard of Down and Feather》.
Recently, 《Photographic Standard of Down and Feather》is issued by General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China （AQSIQ） and Standardization Administration of the People's Republic of China (SAC). The standard adopts literal description as the main judgment basis and photograph as the assistant to reveal sample appearance characteristic truly and accurately. This photographic standard not only classifies and enumerates of component detailedly, but also judges species, double-cross cleanness of turbidity, microorganism state. Actually, it is the most perfect and complete issuing photographic standard of down and feather in
《Photographic Standard of Down and Feather》can be used by Entry-exit Inspection & Quarantine Bureau, foreign trade, down & feather factory, university, and so on.