1. High quality material and first-class technology2. Powerful function, continuously variable transmission3. Regular appearance, small and beautiful4. Convenient operation and intuitive digital display
The standards for disc springs mainly include DIN2092(Calculation) / DIN2093 ( Quality Specifications-dimensions ) of Germany, JIS B 2706-Japan, GB / T 1972-2005 of China and ISO 19690 : 2017. Among them, DIN2093 is most widely used in the world.
Hielek’s contactors are very specific due to the applied operating coil and construction of the main contacts. All contactors with AC/DC coils ensure silent operation which is further enhanced by a low power consumption.
The disposable mask is made of three layers of material, and its meltblown nonwoven fabric is sandwiched between the other two layers of nonwoven fabric. The mask is heat-sealed and has a filtration efficiency of 95%. The earrings can fix it on the wearer