I m an ordinary resident, I want to security the door, what are the types now, and what is the price

This is not good to answer you, how to say it, the anti-theft door lock cylinder is also divided into good and bad, good lock cylinder anti-theft performance is very good, fingerprint lock is the same, such as a good brand, good workmanship, security is much higher than mechanical locks, can only say that the price performance of big brands is stable, the safety factor is high, but the corresponding price is higher.

Call the police and let the police help you.

It is very rare, and most of them are opened outward, mainly because it does not affect the placement of indoor furniture, such as the shoe cabinet at the door.

Your product, that is, the security door, has its own market segment, and has its own market positioning, but your positioning is not complete, whether your main customers are high-end or low-end, which is linked to your product. For example, you can market your upscale doors to your market and residents in expensive neighborhoods and housing. But you say that your door is a general brand, so it is best to put the market in the middle and low end of the market. >>>More

It is recommended to take a look at the Kuncheng luxury cat's eye of Weihai Ossenkite Import and Export Company, it is very magical, it is said that the cat's eye produced by his family can clearly see the person or thing outside the door at two meters, the ordinary cat's eye can also see the situation inside the house through the cat's eye outside the door, and his home can not see the house at all through the cat's eye, it is said that this technology is produced in addition to a South Korean production, only his family can produce it in China.