We are the professional tungsten darts manufacturer in China.We have the most advanced technology in darts domain.And now we have been the long term contacted supplier for some famous brandin UK,Europe and Japan.Pefect products and high grade services are the two key advantage of our company. In production: 1. We select the first grade of tungsten billets.-Each billet have been inspected strictly.2. We have the best CNC machinery technology. -We have strict process in weight control ,size control and the perfect apperance control.And now all our goods,the weigth tolerance within +/-0.05g and the size tolerance is +/-0.05MM.The apperance is Smooth ,shinny and nice hand feeling.