Investment Castings -China specialist in steel investment casting by lost wax casting, China Dongying Dana Casting produces precision investment castings by means of the silicasol lost-wax process and is especially good at the manufacture of complicated precision castings. Nearly 1000 various kinds of new products are developed each year for customers from about 20 countries. Our company can produce castings weighing from 0.005kg to 80kg in more than 200 different kinds of materials including carbon steels, low and high alloy steels such as stainless steels, tool steels, heat-resistant steels, non-ferrous metals such as brass and bronzed.