At the end of year 2014,one of our European customers arrived to our company,they checked the quality of the rolled rings before shipment.

The material of these rolled rings are 42CrMo4 V,we do the roll forged,heat treatment Q+T and machinings for the customer.

The diameter of the rolled rings from us can reach to Φ4000mm.

The customer checked the materials,sizes,hardness and all of the documents from us.

They are perfectly satisfying with these forged rings after checkings.

Jingjiang Jinlun Machine Manufacturing Co.,Ltd.

Website: www.jinlun-machine.com