Ntinye ngwaahịa: A na-eji ọkpọkọ ọkpọkọ 50 * 50 * 1.5mm siri ike, a na-eme ntọala nke tube square 50 * 70 * 1.5mm, na akụkụ mgbanwe ngwaahịa bụ electroplated.Ihe: ígwè