First of all, brand introduction
1. longdunmen: founded in 1999, it is a large-scale enterprise integrating R&D, production and sales. Products are famous for their high quality, high technology and high safety.
2. Delphi Door: Founded in 1995, it is a professional manufacturer of security doors, steel wooden doors, fire doors and other products, and the products sell well all over the country.
3. Kalemen: Founded in 1993, it is a professional manufacturer of security doors, steel wooden doors, fire doors and other products, with stable product quality and affordable prices.
4. Sen 'anmen: Founded in 2000, it is a professional manufacturer of security doors, steel wooden doors, fire doors and other products. The products are famous for their high quality and high safety.
5. Philips Door Industry: Founded in 189 1, it is a global multinational company, mainly engaged in product development, production and sales in the fields of electronics, household appliances, lighting and medical care. Its security door products are also deeply trusted by people.
6. Oppenheim: Oppenheim was founded in 1992. It is a professional manufacturer of security doors, steel wooden doors, fire doors and other products, and its products are famous for their high quality and high safety.
7. Aodemen: Founded in 2003, it is a professional manufacturer of security doors, steel wooden doors, fire doors and other products. The quality of products is stable and deeply loved by consumers.
8. Malimen: Founded in 2002, it is a professional manufacturer of security doors, steel wooden doors, fire doors and other products. The products are famous for their high quality and high safety.
9. Xinzhongmen: Founded in 1999, it is a professional manufacturer of security doors, steel wooden doors, fire doors and other products with stable quality and affordable prices.
10. King of Anti-theft: Founded in 1989, it is a professional manufacturer of anti-theft doors, steel wooden doors, fire doors and other products, and its products are famous for their high quality and high safety.
Second, how to choose a security door
1. Know the product quality: When choosing a security door, you must first know the product quality. You can judge the quality of the product by looking at the relevant certification certificate of the product and knowing the production process and materials of the product.
2. Understand the safety of the product: the safety of the security door is the key point of choice. Knowing the safety level and locks of the product can judge the safety of the product.
3. Understand the appearance of the product: the appearance of the security door is also one of the key points of choice. You can choose the style and color you like.
Third, how to install the security door
1. Cleaning the door opening: Before installing the security door, it is necessary to clean the door opening to ensure that the door opening is clean and tidy.
2. Measure the size of the door opening: select the appropriate security door size according to the size of the door opening.
3. Install the door frame: fix the door frame in the door opening to ensure that the door frame is flat and firm.
4. Install the door leaf: put the door leaf in the door frame and adjust the position of the door leaf to ensure that the door leaf is flush with the door frame.
5. Install the door lock: Install the door lock on the door leaf according to the installation instructions of the door lock.
6. Adjust the door leaf: adjust the opening and closing direction and sealing performance of the door leaf to ensure that the door leaf is flexible to open and close and has good sealing performance.