Answer: Hot dip galvanized sheet is mainly used in industries such as construction, household appliances, automobiles, machinery, electronics, and light industry

2. What are the current types of galvanizing methods in the world?

Answer: There are three types of methods: electroplating, hot-dip galvanizing, and coating galvanizing.

3. What are the two types of hot-dip galvanizing that can be classified according to different annealing methods?

Answer: It can be divided into two types: in line annealing and out of line annealing, also known as protective gas method and flux method, respectively.

4. What are the commonly used steel grades for hot-dip galvanized sheet?

Answer: Product types: General commodity coil (CQ), structural galvanized sheet (HSLA), deep drawing hot-dip galvanized sheet (DDQ), bake hardening hot-dip galvanized sheet (BH), duplex steel (DP), TRIP steel (phase transformation induced plasticity steel), etc.

5. What are the forms of galvanized annealing furnaces?

Answer: There are three types of annealing furnaces: vertical annealing furnace, horizontal annealing furnace, and vertical horizontal annealing furnace.

6. What are the typical cooling methods for cooling towers?

Answer: There are two types: air-cooled and water-cooled.