Tongball has an internal laboratory with various inspection and testing equipment which enable Tongball to conduct RT, UT, MT, Metallography, Tensile testing, Hardness, Roughness, Pressure resistance, Roundness, Size test/inspection on incoming materials, products in process, and finished products.
When necessary, materials/products can also be sent to a ISO17025/CNAS certified third-party lab 10 minutes away for further verification.
