Aha ngwaahịa:ntụtụ cylinder
Ụdị ngwaahịa: M2-M50
Ahịa: 700-900 USD/ton
Ihe:Igwe anaghị agba nchara
Ụkpụrụ: National Standard/German Standard/American Standard
Mmepụta kwa ọnwa; 1000000 iberibe kwa ọnwa
Banyere ihe: Ụlọ ọrụ anyị nwere ike hazie ngwaahịa na ihe dị iche iche na nkọwa