Hydraulic Quick Couplers & Valves
Strict Quality Inspection Process for Hydraulic Components

Quality Control
1. Our Promise:
Product quality is our top priority and commitment to customers
100% refund guarantee for any production-related quality issues
2. Digital Quality Management:
Full-process digital tracking from raw materials to final shipment
Real-time computer recording for complete transparency & traceability
Data recorded at every production stage for accountability & continuous improvement
3. Strict Quality Inspection Process:
Computer-coded multi-stage quality inspections from raw material, mass production to final assembly and shipping
Only approved products proceed to the next phase
Open-door policy: Customers are welcome to check our production processes with their own eyes

Our Quality Control Test Machines Include:
Impulse life-cycle test machine
Minimum burst pressure test machine
Maximum work pressure test machine
Flow rate and pressure drop test machine
Salt spray test machine
Work temperature test chamber
Opening valve mini pressure test machine
Vacuum test machine
Hardness test machine
Detail material element test machine
Spring force test machines
Spring life cycle test machine
Sealing surface examination microscope
100% low-pressure air leakage test
Interchangeability test with other popular brands in the market
Special-made test machines


- Name:
- NINGBO E.H HYDRAULIC CO., LTD.
- Tel:
+0086-574-27882700
- Email:
- sales@ehhydraulics.com
- WhatsApp:
- 8613967841269
- Address:
- No.7 Longteng Road, Maoshan Industrial Area, Jiangshan, Yinzhou District, Ningbo, China, 315193