203873
Which were manufactured for the Marder series in 2000 pieces in Kreuzlingen and 8000 ball Aperture n ( gas density spherical Shooting flaps ) and other products from other countries in a total of several thousand units could be delivered .
 Kreuzlingen
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Kreuzlingen