Zhengzhou Sanhui pure tungsten bolts have been to India for several times.
Due to tungsten has properties like high temperature resistance, little pollution, so it is usually applied to make crucible and fittings for crystal growth and rare earth melting of ruby and sapphire in LED industry.
We produce the tungsten bolts according to Indian customer’s drawing.
We can also provide tungsten crucibles, a complete set of tungsten and molybdenum components for the thermal field of sapphire long crystal furnaces (including thermal insulation screens, heaters and supports, etc.).
If you have these requirement, please contact us.