Ningbo Tonsin Machinery Industry Inc

Ningbo Tonsin Machinery Industry Inc. one of the professional manufacturers of investment castings from China.

Casting process: Lost wax casting, water glass casting and combined wax casting.

Material: Stainless steel, carbon steel, duplex stainless steel, alloy steel, etc.

Service industry: Valve & pump, Food machinery, Automobile, Marine & yacht, etc.

In-house machining, CMM and polishing in service

ISO9001:2015 & PED certificated.