Babban gasa na samfur shine fasalinsa. Babu Injin Ƙuran Tsintsiya wanda aka yi shi da albarkatun ƙasa waɗanda suka wuce tsauraran gwaje-gwajen da kwararrun ma'aikata suka yi. An yi samfurin ya zama na da sauran fa'idodi mafi girma. Bugu da ƙari, an jaddada ƙirar bayyanarsa sosai saboda yana iya haifar da yanayin masana'antu.