Neutec/Rio Grande™ is a world leader in the manufacture of lost-wax jewelry casting equipment (grain-making and casting machines), laser-welding machines, as well as the accessories and supplies that support them. We understand that for both one-of-a-kind designer shops and high-volume production facilities, achieving high quality involves a unique set of challenges. Resolving these challenges quickly and getting it right are crucial to your success. Whether you cast hundreds of flasks a week or just a few, it's the quality of each cast that counts.