Traditional Culture Encyclopedia - Hotel reservation - How many kinds of sea springs are there?

How many kinds of sea springs are there?

OW- 150、HD-3 12、TS80 .

1, OW- 150: intelligent one-way and two-way glass waterproof underground automatic door opener.

2.HD-3 12: It is suitable for 90-degree positioning of wooden doors with framed or frameless glass doors, and it is a universal accessory.

3.TS80: It is suitable for 300KG glass doors, wooden doors and aluminum alloy doors, and it is a 360-degree rotating accessory for hotel doors.