Qingdao Tonsin Industry Inc., is the Manufacturers of precision casting in China. Our Precision Investment Casting factory are produced in carbon steel, stainless steels and other different alloy steels, .

The products are of reliable quality and reasonable price, and may be tailor-made by the customers' enquiry. Our company can produce castings weighing from 5g to 30kg. Our casting products are widely used in the fields such as fluid and chemical machinery, food processing machinery, building hardware, heat treatment equipment, weapons, hydraulic and pneumatic machinery marine equipment kitchen utensils, power and hand tools, medical equipment sports apparatus, instruments and meters, and other machine parts.

Our company is an export-oriented company, specialized in manufacturing and exporting various kinds of machinery accessories by OEM way. Our investment casting foundries in China are able to produce close tolerance or precision Investment Casting, with value added machining, plating, drilling, dipping, high finish and assembly if needed.