Dongying Tousin is a professional steel casting manufacturer with its own foundry, CNC machining department and handcraft polishing factory.  It was founded in 2003.

As a major manufacturer of investment castings, we adopt the lost-wax process to serve a huge variety of markets that require metal parts in stainless steel, carbon steel and different kinds of alloy steel. This includes industrial machinery parts, architecture castings, pump valve bodies & accessories, impeller, hardware tools, door & window fittings, marine hardware, pipe fittings, auto parts, textile machinery parts, sport facility parts, pneumatic tool parts, fluid equipment parts, food machinery parts, air compressor parts, electric machine & hardware fittings, mining & earth-moving machinery accessories, etc. We are able to supply precision castings in many conditions involving heat treatment, machining, handcraft polishing, electro-polishing and so on.

Excellent employees and advanced management guarantee our superb products at most competitive prices. We currently have more than 300 employees and capacity of over 800 MT precision castings per year, of which over 90% are exported to Europe, America, Australia and Japan.

Our tenet is “Quality is our base and the client is our support”. The soul of Tousin is “Faithful, Quality, Development, Advancement ”. This idea runs through every aspect of operation, from company management to product manufacturing, quality control and inspection.  From employee training and technique requirement to customer service, we keep pursuing precision, which makes us different from others. We aim to make it easier for our customers to purchase quality products from a reliable manufacturer that passed ISO9001, and we are sure you will find it worthwhile to choose us as your supplier.

Our products are of reliable quality with competitive prices. We warmly welcome every friend both domestic and abroad to share the mutual development.