Lunch boxes with better thermal insulation effects include: Thermos, Tiger, Hals, Zojirushi, and Supor.

1. Thermos

Thermos was founded in Germany in 1904. It is one of the leaders in the crisper industry, one of the top ten multi-function cooker brands, and Thermos (China) Household Products Co., Ltd. The products of Thermos (China) Household Products Co., Ltd. mainly include high-quality thermal insulation series products such as high-vacuum stainless steel thermos cups, thermos flasks, thermos kettles, thermos jars, and stew pots, as well as various composite gold cooking pots developed with high TCC technology and space technology. A series of soup pots and pots, a series of household kitchen supplies.

2. Tiger

Tiger is affiliated to Tiger Thermos Co., Ltd. (Japan in 1923) and Shanghai Husheng Electronics and Electrical Co., Ltd. Judging from the different styles of thermos cups, they can be roughly divided into three categories: cute/cartoon type; simple type; and sports type. Lunch boxes that can maintain the temperature of meals can have several types of inner liner, such as stainless steel liner, tempered glass liner, etc. Different materials have different thermal insulation properties. If it is vacuum-insulated, it can last for 10 hours; if it is written to keep warm and cold, it can last 24 hours.

3. Haers

Haers is one of the most influential suppliers of professional stainless steel vacuum insulated vessels in China, Zhejiang Haers Vacuum Containers Co., Ltd. Hals is mainly engaged in the R&D, design, production and sales of stainless steel vacuum insulated utensils. Its main products include stainless steel insulated cups, thermos flasks (pots), car cups and other stainless steel insulated utensils. It has successfully developed various stainless steel vacuum insulated cups, bottles, jugs and More than 30 series and nearly 300 varieties including insulated lunch boxes

4. Zojirushi

Zojirushi was founded in Japan in 1918. It is a well-known thermos bottle/cooking home appliance manufacturer. Shanghai Zojirushi Home Appliances Ltd. Since its establishment, Zojirushi Corporation has developed a thermos flask using vacuum insulation technology. It has continued to innovate and has developed a series of small household appliances such as rice cookers, electric hot water bottles, electric hot pots, electric ovens, coffee pots, insulated lunch boxes, and vacuum thermos flasks. , and also continue to develop air purifiers, humidifiers and other products to improve the living environment.

5. SUPOR

Supor is a well-known trademark in China, a famous trademark in Zhejiang Province, and one of the world's largest cookware R&D manufacturers, Zhejiang Supor Co., Ltd. Its products are sold in more than 50 countries and regions---6 categories (pressure cookers, woks, frying pans, steamers, soup pots, electric stew pots) have the largest market share, and 4 categories (rice cookers, electric pressure cookers , induction cooker, electric kettle, insulated lunch box) with the second largest market share.

Purchasing Tips:

1. Insulation performance: Pour boiling water into the thermos cup and tighten the stopper or lid clockwise for 2-3 minutes, then touch the outside of the cup with your hands On the surface, if the cup (pot) body is obviously warm, especially the lower part of the cup body, it means that the product has lost its vacuum and cannot achieve good heat preservation effect. The lower part of the insulated cup is always cool.

2. Production materials. There are generally three types of materials for insulated lunch boxes. One is made entirely of plastic, with the insulation layer made of foam or the like. This type of insulated lunch box has a mediocre insulation effect. It has compartments so that meals can be separated. It is not easy to clean and the price is average.

3. Plastic accessories: Food-grade new plastic features: low odor, bright surface, no burrs, long service life and not easy to age. The characteristics of ordinary plastics or recycled plastics: strong smell, dark color, many burrs, and plastics are easy to age and break. This will not only affect the service life, but also affect drinking water hygiene.