The type, specification and performance of Metal Stamping Parts shall comply with the current standards and relevant regulations, and shall be matched with the selection of plastic steel doors and windows. Metal stampings should be installed later. Doors and windows locks, handles, etc. should be assembled after the windows and doors are fanned into the frame to ensure correct positions and flexible switching. For sliding windows with a width exceeding 1 meter, or double-glazed doors and windows, double pulleys or rolling pulleys should be used.

Pressed parts are used to install hardware with fastening screws during work. A metal lining is provided. The thickness of the lining should be at least twice the tooth pitch of the fastener. Do not fasten to plastic profiles or use non-metallic linings. Pay attention to maintenance after installation of Stamping Parts to prevent rust and corrosion. In daily use, lightly close and lightly open to prevent hard closing and hard opening, causing damage. No noise, now with nylon wheels. Not only does it push and pull without noise, it is smooth, light, and its service life is not shorter than the above various pulleys. Make (doors) and windows normal. For smooth operation, choose a high-quality pulley for the (door) window. Inferior pulleys look rough on the surface. Not smooth. Sliding is not flexible, small and light.