About Us

Ningbo Zhongyi Hydraulic company entrance
30 Years of Experience

We are committed to providing you with the most professional and mature fluid quick-connect solutions

Ningbo Zhongyi Hydraulic Co., Ltd. is located in Kandun, Cixi, Ningbo, on the southern shore of Hangzhou Bay, across from Shanghai and overlooking the sea. Guided by the business philosophy of “Integrity, Professionalism, and Focus,” we put customers first and quality above all. Through continuous effort and improvement, we have grown into one of Ningbo’s larger, more influential, and faster-growing industrial enterprises.
We manufacture a wide range of hydraulic quick couplings, refrigeration quick couplings, and high-pressure ball valves. Our products are widely used in hydraulics, refrigeration, metallurgy, marine, defense, firefighting, aviation, medical equipment, electric power, petroleum, construction machinery, agricultural machinery, and high-pressure tools. Our spirit is “Civilization, initiative, diligence and pragmatism, striving for excellence, quality assurance, and service without end.” We look forward to working with partners in China and around the world.

Production Workshop

Raw materials for hydraulic coupling production
Raw Materials
CNC machining workshop
CNC Machining Workshop
Precision CNC machining
Precision CNC Machining
Hydraulic coupling assembly workshop
Assembly
Finished hydraulic quick couplings
Finished Products
Hydraulic coupling warehouse management
Warehouse Management
Hydraulic coupling warehousing area
Warehousing
Packing and shipping
Packing & Shipping

Quality Control

Material composition analysis
Material Analysis
100 percent pressure and leakage testing
100% Pressure & Leakage Test
Hydraulic coupling pressure testing
Pressure Testing
Burst and impulse testing
Burst & Impulse Testing
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