Kayayyaki

Aikace-aikacen samfur:
yadu amfani da inji, likita kayan aiki, fitness kayan aiki, Qizheng, high-gudun jiragen kasa, motoci, furniture, ado da sauran dalilai.
Daidaitaccen yarda:

ASTM A554

GB/T 12770

Saukewa: G3446

JG/T 3030

YB/T 5363