 ሐምሌ 22, የ "በራስ-ቆላፊ ኬብል ትስስር polyamide የኢንዱስትሪ መስፈርት," ኛ በ QB / T4494-2013 ለ መደበኛ ቁጥር ኩባንያው ጸሐፊ የማርቀቅ .
July 22, umbhali inkampani koqulunqo "self-itshixa ngentambo kushishino polyamide umgangatho," inani umgangatho QB / T4494-2013 ngu th ...