Quality is the foundation of everything we do at Hetlock (Shanghai) Machinery Co., Ltd.
From raw material selection to final pressure testing, every hydraulic cylinder is manufactured and inspected under a strict quality control system to ensure safety, reliability, and long service life.
Hetlock operates a complete quality management system covering the entire production process. Each step is standardized and traceable to ensure consistent product quality.
Our quality system focuses on:
- Process control
- Risk prevention
- Continuous improvement
Quality Control
We follow strict quality control at every stage:
- Raw material inspection
- Precision machining tolerance control
- Welding strength examination
- Plating thickness testing
- 100% pressure & leakage testing
- Full final inspection
