tungsten ring 1.OD22*ID5*5mm, 2.quality control: ISO 9001-2008. 3.unit price: USD5.5/pc 4.deliery: 5-10days.

5.package: wooden case.

6.capacity:50000pcs/week

7.payment: T/T, 30% depoist.

This product is made from high-purity material. It is equipped with the fine thermostability and combination property function. This product is mainly put into chemical industry and the heat shield of high temperature furnace use.

And it is also put into machinery use, such as the equipment of the machine.

99.95% OD22*ID5*5mm polished tungsten ring with wooden case