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Established in 1997, Yantai Jiwei Construction Machinery Equipment Co., Ltd, is a leading professional machinery equipment manufacturer located in Yantai, Shandong province in China, we provide hydraulic rock breakers and earth drills suitable for excavator as a manufacturer since 2009.

We registered Brand “HMB” in 2010. HMB breakers are compatible with all kinds of excavators such as Doosan, Dawoo, Volvo, Hitachi, Kato, Kobelco, Komatsu, Sumitao, Liebheer, Hyundai, Cat, Jonyong, Changjiang, Yucai, Case, John Deer, Fotonlovol and Loader etc.

Why do you choose HMB hydraulic breakers?

1. Strict raw material sourcing.

All steel ingots we purchase are forged and stroke, and the whole cylinder body including piston and valve is made by high ductility 20crmo steel, which features high density and excellent toughness.

2. First-class quality, reasonable price.

Developed and produced independently by Yantai JW Construction Machinery Equipment Co., Ltd, HMB Hydraulic Breakers are widely approved by home and abroad clients because of competitive price and excellent performance.

3. Powerful strike.

Compared with other brand’s products, HMB series Hydraulic Breakers has more powerful strike and reliable performance.

4. Unique valve system.

HMB series Hydraulic Breakers adopt simple hydraulic circuit system, which use less oil and improve efficiency.

5. Ideal structure design.

Optimized design requires fewer components, which guarantees less breakdown, and easy maintenance.

6. Combined the oil pressure technology with the leading- edge technology.

The advanced crystallization of complete oil pressure and slight oil adjustment was introduced, which guarantees the incredible impact force and durability, to make all clients satisfied under any working conditions.