
Yantai Chengli Precision Machinery manufactures hydraulic breakers and spare parts, combining advanced Korean production technology with high-precision machining and strict inspection.
Yantai Chengli Precision Machinery Co.,Ltd specializes in the research, manufacturing, and sales of hydraulic breakers and related spare parts. With 10 years of experience, the company focuses on supplying high-level market demand with products built for reliability and consistent performance.
Supported by advanced Korean production technology and first-class production equipment, Chengli emphasizes high-rigidity, high-precision machining to ensure processing accuracy and meet demanding quality requirements. Its workshop covers 6,000㎡, supported by a team of 80+ staff, with an annual output of 10,000+ breaker sets.
From raw materials through precision grinding processes, inspection, semi-automatic assembly, impact testing, and secure packing, the company manages a full production workflow designed to maintain stable quality. Chengli operates multiple registered brands—Chengli, Hollis, ATeMu, HANMING, and HANGU—and also welcomes OEM cooperation for global customers.
The company is dedicated to the research, manufacturing, and sales of hydraulic breakers and spare parts, serving customers who require dependable, high-performance breaking solutions.
Leveraging advanced Korean production technology and first-class production equipment, the factory maintains high-rigidity, high-precision machining to support consistent processing accuracy and stable product quality.
Each stage is managed through a structured workflow that includes inspection and impact testing to confirm stable operation, supported by timely and responsible after-sales service.
The team operates with a clear commitment that quality is the foundation of the business, with honesty and reliability as guiding attitudes, and long-term win-win cooperation as the goal.
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