Ferrosilicon is an iron alloy composed of iron and silicon. Ferrosilicon is an iron-silicon alloy made of coke, steel scraps, quartz (or silica) as raw materials and smelted in an electric furnace.
Iron-nickel-plated stamping shells are mainly used in various mechanical equipment, electrical equipment, battery shells and other fields. Its main function is to protect the internal equipment from external interference and damage. At the same time, it i
The auger drill is a spiral blade drilling machine. It includes a drill frame. The frame is provided with a slideway and a reduction box that can slide up and down along the slideway. The reduction box is connected to the power input shaft and the power o
A4 size PVC leather portfolio with paper pad and elastic pen holder. The color strips make it fashionable and popular for young school and university market. This Padfolio with modern functionality. The clean stitch lines are complimented with superior qu