Sunrise publish article on anime production

[Mangaminx]

Japanese animation/production studio Sunrise (who have worked on big name projects such as the Gundam series and InuYasha ) have published a article in both Japanese and English about all the stages of anime production. The article can be read on the Sunrise International website here. [ANN]

 

[Animated FatCat]

I'd like to know if they work on episodes week by week or if they're usually a few ahead before they submit to tv stations.