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About Us

Jiangsu Attacking-Rock Engineering Equipment Co., Ltd. is an engineering equipment company integrating forging, heat treatment and machining. Its main products include hard rock disc cutters for tunnel shield machines, valve products and other non-standard products. Forged products.

The main product materials are: die steel H13ESR, DC53 is suitable for hard rock disc cutters of tunnel shield machines, LD is used; cold work die steel Cr12, Cr12Mov, Cr12Mo1V, Cr12Mo1V1 is suitable for cold punching, extrusion, and rolling molds Etc.; stainless iron 1-4Cr13 is suitable for valves, plastic molds, etc.

Attacking-Rock is located in Suzhou, a beautiful city adjacent to Shanghai. The company occupies an area of ​​about 1,000 square meters, has more than 40 employees, and has an annual output value of about 80 million yuan. The company has ISO9001 certification, RoHS certification, CE certification and so on.

We also have our own forging, heat treatment, and machining production lines, and a complete process flow so that we can better control product quality and production costs, so that the company has a more competitive advantage.

Product Advantages

The special disc cutter for tunnel shield machine produced by Jiangsu Attacking-Rock Engineering Equipment Co., Ltd. is suitable for the geology of hard rock above 160 MPa.

01

Durability

It adopts special technology and has the characteristics of large outer ring hardness and low inner ring hardness, which can effectively improve The anti-vibration ability of the cutter greatly increases the durability of the hob.

02

Hardness

The hardness after GSY vacuum heat treatment can reach HRC61-64, and the hardness after GLD vacuum heat treatment can reach HRC62-66.

03

Performance

We can also provide ultra-cryogenic processing, which will greatly improve the performance of the disc cutter.
Colleges and universities cooperation

ISO9001:2015

Jiangsu Attacking-rock Engineering Equipment Co. Ltd successfully passed the quality management system certification ISO9001:2015 latest standard in 2022.