Knowledge helps importers for safer imports.
As we all know, electric toothbrushes must have certain waterproof ability, and waterproof ability is also an important indicator to determine their service life. According to the national standards, the electric toothbrush waterproof inspection can be divided into different grades. Generally, the waterproof performance of electric toothbrushes should meet the requirements of IP66, IP67 or
The electronic scale is a tool for determining the mass of an object by using the force principle of lever balance or Hooke’s law, which is mainly made up by three parts: a load-bearing system (such as a weighing pan, a scale body), a force transmission conversion system (such as a lever force transmission system, a sensor),and an indication system ( Such as the dial, electronic display instrument).In the electronic scale quality inspection,according to the composition of these three parts, the
As people’s awareness of oral health care continues to increase, a new type of toothbrush, the electric toothbrush, has quietly entered people’s daily lives. Compared with traditional toothbrushes, electric toothbrushes do have many advantages. Its reasonable exercise program can correct some people’s incorrect brushing methods, and some use high-tech designed functions such as sonic vibration function to clean the mouth more effectively.
Because the product is relatively new and has been relatively minority in the
In order to clarify the inspection specifications and requirements of CQI Inspection Company for LED desk lamp , this product inspection requirement is specially written to standardize the company’s quality inspection service level for customers.
This inspection technical document is used to standardize the pre-shipment inspection service of LED desk lamp .
Serious defects (CRT): the user’s life is a major hazard … Read the rest
At present, in the market, common curling irons directly use metal materials to conduct heat, and then directly set the hair at high temperature. This will not only damage the hair squama, but also make it fragile. Even the most fundamental self-repair ability will be doomed and seriously damaged. In addition, it will also lead to excessive water deficiency and malnutrition in the hair, which makes the hair look very rough.
In fact, it is not only skin that pays attention … Read the rest
