NINGBO DONGYA MECHANICAL SEAL MANUFACTURER - Shanghai, China

The enterprise belonging to the company is specialized in producing all kinds of precise casting pieces of plain carbon steel ,alloy steel, stainless steel, castings of structural engineering, precision castings of high-strength stainless steel and high-Mn. The yearly output is more than 2500 tons. The factory will try its best to provide precise casting pieces of high quality for the metallurgy, minerals, petroleum, ship, chemical, agriculture machinery, automobile and hardware engineering industry. The products have been sold well in China and exported to countries and areas such as American, Canada, Australia and Malaysia. And have gained a high reputation among the customers.