Cement additive is a chemical additive to improve the grinding effect and performance of cement. The main material of the additive is fluorine gypsum, it come from the chemical reaction from fluorite and sulfuric acid.
TALLSEN has been in a leading position in the field of furniture and hardware accessories in China. While opening up the market, we constantly pay attention to improving the professionalism and comprehensive competitiveness of the enterprise.
To obtain a reliable and huge tightening force, it is necessary to ensure that the clamp ring fixed on the gecko is fully expanded. And the expansion clamp must not fall off the rod or twist or deform in the hole.
Feature:3 in 1 manual card reader, with the function of magnetic stripe card reading and RF/IC card reading &writing with the function of the automatic card latch for locking.