Product features:
1. The door fan has a fully automatic locking function, which can be locked with one pull, and can be opened with one push. It is considerate to protect and reduce hidden dangers.
2. Systematic profile design, hinges after the door is closed, the pulley set is completely hidden, and the appearance is simple and elegant.
3. It can meet the requirements of any combination fold, combination: 220/321/330/440/422/431/550/541/532, etc.
4. It can be used as a 90-degree corner without a column, which provides strong support for broadening the field of vision and providing space.
5. The hardware and profile system continues to be updated and optimized to make its appearance more perfect, folding, pushing and pulling smoother, improving the performance indicators of the product, and applying a wide range of scenarios.
