Anyị na ezigbo n'ichepụta ụlọ ọrụ chọta na Anhui China, Osisi Nitrile bụ ngwaahịa anyị bụ isi, anyị ji obi ụtọ na-anabata ndị ahịa ileta ụlọ ọrụ anyị.
Ọ na-ewekarị 30-60 arụ ọrụ ụbọchị, ọ dabere na nke ukwu.
Ee, anyị nwere ike ịlele nlele ahụ n'efu ma mana ahịa mkpa kwụọ ụgwọ nke ibu.
Ngwaahịa anyị na-ezute Europe CE EN-455 na US ASTM D6319 ọkọlọtọ, customer nwere ike ịhazi nyocha tupu nnyefe.
Nwere ike kpakorita dị ka iji qty.