QYM- Picket Weld It is a high quality,low maintenance fencing designed for homeowners.It begins with raw steel .The pickets and rails are welded together to provide dependale strength and security and minimize installation time.After the welding process,there will be complex processing,such as electric galvanized,Alkaline Cleaned,Iron Phosphate,Drying Oven,polyester powder spray. It is well known in the world as beauty design and long lasting beauty. Size Thickness Surface Treatment Length 25 x 25mm 30 x 30mm 40x40mm…