How to prevent damage to automotive stamping parts:

1. The model, specifications, and performance of the selected hardware accessories should comply with the current national standards and relevant regulations, and match the selection of plastic steel doors and windows.

2. The sliding hinge shall not be made of aluminum alloy material, but shall be made of stainless steel material. 

3. For sliding windows with a width exceeding 1 meter, or doors and windows with double-layer glass installed, it is advisable to install double pulleys or use rolling pulleys.

4. Hardware accessories should be installed last, and door and window locks, handles, etc. should be assembled after the window and door leaf are inserted into the frame to ensurecorrect position and flexible opening and closing.

5. When installing hardware with fastening screws, a metal lining plate must be installed inside, and the thickness of the lining plate should be at least twice the pitch of the fastener. It shall not be fastened to plastic profiles, nor shall non-metallic liners be used.

6. After the installation of hardware stamping parts, attention should be paid to maintenance to prevent rust and corrosion. In daily use, it is important to gently close and open to prevent damage caused by hard closing and opening. Without any noise, we have the current nylon wheels. It not only has no noise when pushed and pulled, but also is smoother, lighter,and has a service life no shorter than the various pulleys mentioned above. To ensure that the doors and windows are functioning properly. To run smoothly, it is necessary to choose a high-quality pulley for the (door) window. Poor quality pulleys appear to have rough workmanship on the surface, lack smoothness, and are not flexible when sliding, small and light.