Which zipping library should I use to properly assemble a valid XLSX file in Objective-C?

Which zipping library should I use to properly assemble a valid XLSX file
in Objective-C?

References

Reference NO 1

http://stackoverflow.com/questions/15190939/which-zipping-library-should-i-use-to-properly-assemble-a-valid-xlsx-file-in-obj

Reference NO 2

http://stackoverflow.com/questions/17781221/how-to-extract-xml-files-of-an-xlsx-file-into-a-folder-in-objective-c-programati

Reference NO 3

http://stackoverflow.com/questions/17317363/create-xlsx-archive-using-xml-files

Reference NO 4

http://stackoverflow.com/questions/17855716/ios-objective-zip-corruption-issues

Reference NO 5

http://stackoverflow.com/questions/6153525/xlsx-compressed-by-rubyzip-not-readable-by-excel

Reference NO 6

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Reference NO 7

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Reference NO 8

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