Stainless Steel Vacuum Flask with tea infuser

Is it okay to use Stainless Steel Vacuum Flask?
Many people in life have the habit of drinking tea, but everyone has different hobbies in drinking tea. Some people are very particular about drinking tea, but many people drink tea more casually. What kind of cup should you choose to make tea? It is a question that people often struggle with. There are various teacups on the market, such as glass teacups, stainless steel teacups, etc., so is it good to use Stainless Steel Vacuum Flask to make tea?

1 It is good to use stainless steel water cups for a long time. It is safe, resistant to falling, and has a very good heat preservation effect.

2 Stainless steel thermos cups are not poisonous if they are simply used to drink boiled water. Remember try not to use this cup to make tea or drink milk, soy milk and other substances, if it is not made of 304 or 316 stainless steel. If it is 201 or 202 stainless steel, it is harmful to the human body, because 201 and 202 are prone to produce iron oxide in the water environment for a long time, that is, rust, which will have toxic side effects on the human liver.

3 The stainless steel cup itself is not poisonous, but its inner surface is rough, and it is easy to accumulate tea dirt, scale and other dirt, so pay attention to frequent cleaning.

production process
1. Shell processing process
Outer pipe picking—pipe cutting—bulging—segmentation—bulging—rolling corners—bottom reduction—bottom cutting—rib punching—flat upper opening—bottom punching—flat bottom opening—cleaning and drying—inspection and knocking pit—qualified shell
2. Inner Shell Processing Process
Inner pipe picking—pipe cutting—flat pipe—bulging—rolling upper corner—flat upper mouth—flat bottom mouth—thread rolling—cleaning and drying—inspection and knocking pit—butt welding—water test and leak detection—drying—qualified liner
3. Outer shell and inner shell assembly process
Matching cup opening—welding port—pressing midsole—welding bottom—inspecting welding port welding bottom—midsole spot welding getter—vacuumizing—temperature measuring—electrolysis—polishing—temperature measuring—inspecting polishing—pressing outsole—painting— Sampling temperature inspection—painting inspection—silk printing—packaging—finished product warehousing