Profile: Smart Source Dev. Ltd manufactures and exports diamond tools, circular saw blades, abrasive wheels, coated abrasive products, power tool accessories, safety products and builder's tools. Our grinding wheels are used for brass, stainless steel, copper, steel and aluminum alloy. Our sanding fiber discs are widely used in vessel metallurgy, automobile, machinery, bridge and construction. We also supply working gloves, disposable safety items, tool vests, work shoes, auto darkening welding helmets, electronic ear defender and safety clothing.