... etc. CD60*27 UD28*27 CW50*50, 75*50, 100*50 UW50*40, 75*40, 100*40 Our series products main supply ... *35, 50*35, 63*35, 70*32, 70*34.5, 75*35, 100*35 Track 41*25, 50*25, 63*25 ... , 72*25, 75*25, 100*25 Angle 25*25, 30*30 Our series ... qualityCertificatesISO certification and export license Cellphone :0086-18301412451 kinds of specification metal stud and track