Dongying Changrui Precision Casting Company is a joint venture of Korea Shinsung Precision Metal and Dongying Changshun Precision Casting Equipment Company, locating in Dongying Economic Development Zone, covering an area of 38,600 square meters, specialized in producing and processing lost wax castings.
　　Changrui mainly produces stainless steel, carbon steel, alloy steel and some non-ferrous metal castings serving automatic machinery, chemical machinery and food machinery, architectural hardwares, marine hardwares, kitchen hardwares and other tools. Our products exceeds 700tons per year and are exported Korea, Japan and America, etc.
　　Changrui adopts testing instruments from Japan, after treatment equipments from Korea and the best precision casting equipments of China. We also cooperates with Shandong University of Science and Technology for a new machinery institute.
　　Changrui was granted ISO9001:2000 Quality System Certificate in 2007. We promise to provide the qualified products to our customers.