Silicon carbon alloy ,It also can be called high carbon silicon ,It is the by-product of silicon metal.In the process of producing silicon metal, the temperature is not enough to fully melt the silicon metal raw material at the bottom.
Want to jump rope at home but worry about noise? A rope skipping mat can make you jump rope without noiseIt can also be used as a yoga matWaterproof and sweat proof, easy to cleanJump rope mat size standard, adults and children can useSuitable sports: sk
XBC-SLOW series and XBD-SLOW series electric fire pump set are new kinds of multi-functional fire control equipment developed by our company strictly conforming to such technical requirements as the national standard GB6245-2006 fire pump,and the National