Ningbo Yinzhou Nation Electronic Technology Co.,Ltd

Established in 1998, we have already been one of members of China Valve Association. As a specialized factory, we are majoring in precision casting and machining of stainless steel valves and fittings.  

The major products of Jointhand include Stainless Steel Valves, Cast Steel Valves & Stainless Steel Pipe Fittings. All these products can be manufactured in accordance with international standards like API, ANSI, BS, DIN, JIN etc.. At the same time, we are also in a position to manufacture products according to customer?s samples or drawings. These products can be widely used in the field of petroleum, chemistry, gas, foodstuff, water supply & so on.

In order to control the quality form rough castings to final products, facilities like high precision CNC lathes, advanced optical spectrometer, chemical analyzer, metallurgical microscope, sclerometer and universal materials tester are also available in our company. These facilities enable us to do Radiographic test, Tensile test, Hardness test, High pressure gas test, High temperature test. Our products have been certified to ISO9001:2000 and to TUV CE, & its quality control are in strict compliance with these authentications. Having a reliable credit among our clients, about 98% of our products have been exported to more than 50 areas and countries in America, German, France, Italy, Japan etc.