1 registered trademark
2 Origin, factory name, factory address
3 certificate, date of manufacture, specifications, model, product name
4The front side of the two sides is obviously deep.
5The thickness is even and flat, the vertical is not easy to fall over, the pen is quite square
DIN125 Ss Flat Washer,DIN125 Flat Washer Price,Flat Washer Price
Jiangsu Minglu Stainless steel Co.,ltd , https://www.minglufastener.com