Dongguan Gravel Industries & Enterprise Co. Ltd. (for short GRAVEL) was founded in 2009, After more than ten years of hard work, GRAVEL has been providing high quality products and professional services to domestic and foreign customers in many industries, including: vacuum sputtering targets and evaporation particles of various high-purity precious metals, metals, alloys and ceramics in chip and microelectronics industries; Used in electronics, new energy resources, electric power, mechanical equipment, medical equipment and chemical industry for various high-performance alumina, zirconia, silicon carbide and other industrial ceramic materials and precision ceramic processing parts; Design and manufacture of injection molds and zamak alloy die-casting molds for perfume caps and other packaging products, and mass production of various injection products and die-casting products.