Composite Steel/ PVC slider for strength ,durability and and smooth operation .
Manufactured 2B/SUS**4 from grade Stainless Steel for maximun strength and longevity .High resistance corrosion.
3.In line with the JG/T*******7”building doors and windows hardware-silding support” standard. 4.Fifty thousand times repeated opening and closing test ,can still be used noamally. 5.The free opening function is met by the reasonable design of sliding plate and track. 6.Strong loading capacity and Maximun security,wide application …