Dongguan Congratulations Industrial Co., Ltd. was established in 2002 as a company that integrates research and development, production, sales, and after-sales service. We specialize in the manufacturing, research, and sales of non-ferrous metal raw materials, non-ferrous metal alloy materials, copper granule materials, silicone modeling materials, and other materials for over 20 years. Our mature technology, stable quality, reasonable price, scientific product formulation, and the ability to customize materials according to different customer needs have earned us a strong reputation in the industry.