Diamond＆TCT鋸片，切割和研磨輪以及電動工具的進口商。
Topline Trading was started in 1995, since then we have been constantly striving to give our customers the best quality with competitive pricing. We started with SANRI Brand Diamond Blades, then ADVANCE GEAR Brand Diamond Blades, TCT Saw Blades in 2004 and OTO Brand Diamond Blades and TCT Saw Blades in 2008. Since then we have kind of Diamond Blades for cutting marble, granite, ceramic tiles and all kind of stones, TCT Saw Blades for cutting wood, plywood, MDF Board etc, Cutting Wheels, Grinding Wheels for cutting and grinding mild steel, stainless steel and metal with different qualities to meet our customers demand.