About Us
Professional Hydraulic Cylinder Manufacturer Since 1998
Hetlock (Shanghai) Machinery Co., Ltd., founded in 1998, is a professional manufacturer of hydraulic cylinders located in the international city of Shanghai. With a plant area of nearly 20,000 square meters and strong engineering capabilities, we provide high-performance, customized hydraulic cylinders for global industries.
25+ Years Experience
Over 25 years of hydraulic cylinder manufacturing experience
Advanced Equipment
CNC machining, automatic welding, honing & testing
Full Customization
Customized bore, stroke, pressure & mounting solutions
Global Customers
Stable supply and service for worldwide customers













Factory Overview
Our 20,000 m² factory is equipped with CNC machining workshops, welding centers, honing lines, assembly areas, and full testing facilities.
- CNC machining workshops
- Automated welding centers
- Honing & boring lines
- Pressure & leakage lab
Industries Served
Serving a wide range of industries with reliable and high-performance hydraulic cylinder solutions.
Our hydraulic cylinders are widely used across multiple industries, including agriculture, construction, metallurgy, mining, energy, forestry, material handling, and marine & offshore. Designed for durability, precision, and long service life, our solutions perform reliably under demanding working conditions.






