ZheJiang YongKang KeXin Commodity Factory
There are many varieties of stainless steel insulation cups sold on the market, and the price difference is also very big, how can we buy a high-qua lity vacuum insulation cup?
1.First look at the appearance of the cup. A look at the inner liner and outer liner surface polishing is uniform and consistent, whether there are bruises
and scratches defects;
2.Look at the mouth of the welding is smooth and consistent, which is related to a drink of water when the feeling is comfortable;
3.Third look at the poor quality of plastic parts. Will not only affect the service life, but also affect the drinking water health;
4.Look at the internal seal is tight. Screw plugs and cups with the right fit. Screw in and screw out whether it is free, whether water leakage.
5.Fill a cup of water inverted four, five minutes or force to shake a few times to verify whether the water leakage.
6.Look at the thermal insulation performance, which is the main technical indicators of the insulation cup. General purchase is not possible in accordance
with the standard check, but can be filled withhot water by feel check, not insulated cups filled with hot water two minutes after the lower part of the cup body
will be hot, and insulation of the lower partof the cup is always cool.