Last updated: 2026/07/22
Homepage
Home
About Us
Company Profile
Application Industries
Wind Power
Hydrogen Energy
Diesel Engine
Power & Gas Turbine
Rail & Locomotive
Heavy Trucks, Construction & Mining Equipment
Heavy Lift
Transmission
Oil & Gas
Products
Bolts
Headed Bolts
Blade Bolts
Tower Bolts
Nacelle Bolts
Connecting Rod Bolts
Wheel Bolts
Track Bolts
Hexagon Fit Bolts
Hexagon Bolts
Hexagon Socket-head Cap Bolts
Flange Bolts
Square Head Bolts
U bolts
Anchor Bolts
Studs
Blade Studs
Blade Bushings
Stay Bolts
Main Bearing Bolts
Cylinder Head Bolts
Coupling Bolts
Wheel Studs
Anti-corrosion Stud Bolts
Double End Studs
Full Threaded Studs
Nuts & Washers
Hexagon Nuts
Flange Nuts
Wheel Nuts
Castle Nuts
Hydraulic Nuts
Super Nuts
Barrel Nuts
Flat Washers
Spring Washers
Precision Machining Parts
Piston Pins
Wear-resisting Dowel Pins
King Pins
Rocker Shafts
Crosshead
Flanges
Tappets
Gear Rack
Hydraulic Tightening Device
Manufacturing Management
Hot Forging & Cold Forming
Heat Treatment
Precision Machining/Grinding
Thread Rolling
NDT
Surface Treatment
Inspection
Storage
Inspection & Measurement
Physical and Chemical Testing Center
Metrology and Measurement Center
Capabilities
R & D Center
OEM & ODM
Quality Assurance
News
Company News
JNZC “Ride the Wind and Waves, Dream the Future” 2025 Annual Meeting Ceremony was successfully held
JNZC Attended the 2021 Beijing International Wind Energy Conference and Exhibition
JNZC Attended Marintec China 2019 Exhibition
The International Women's Day Salon was successfully held in Jinan Zhongchuan Equipment Co., Ltd.
Blog
Performance Testing – Strength and Plasticity
Hot-Dip Galvanizing
The Threads of Fasteners (2)
II. Fastener Manufacturing Process
II. Fastener Manufacturing Process (2)
II. Fastener Manufacturing Process (3)
II. Fastener Manufacturing Process (4)
The Threads of Fasteners
What Are the Key Challenges Facing the Wind Turbine Fastener Market in Europe?
What are the microscale changes in quenching during heat treatment?
Metal Heat Treatment
Monitoring of Bolt Tightening Torque, Division and Control Methods of Tightening Grade
Basic Knowledge of Fasteners
Various Anti-Loosening Methods for Threaded Fasteners (Customer Provided)
Principle of Bolt Thread Fastening and Torque Setting
The Importance of Wind Turbine Foundation Anchor Bolts
Basic Knowledge of Bolts
Six Surface Treatment Methods For Fasteners
How to Choose Flat Washers and Spring Washers?
What Are The Defects Caused By Fastener Forming Process
The Role Of Heat Treatment Technology In Improving The Manufacturing Level Of Fasteners
How Can Fasteners Meet The Technical Requirements Of New Energy Vehicles?
Analysis Of The Reasons For The Loosening Of Assembly Bolts
What Are the Microstructural Changes During Tempering in Heat Treatment?
How to Prevent Hydrogen Embrittlement? How to Remove Hydrogen?
What Are the Microscopic Changes in Austenitizing during Heat Treatment?
What Are the Microscopic Changes in Annealing During Heat Treatment?
What Is Hydrogen Embrittlement?
Factors Leading to Hydrogen Embrittlement
What Are the Fatigue Failure Modes of Bolted Connections?
Classification of Anchor Bolts
The Tightening Torque Standard of High Quality Bolts, The Selection of Pre-Tightening Force and the Checking of Bolt Strength
Heat Dip Galvanizing for Bolt Fasteners Surface Treatment
What Type of Bolts are Used in Tower Cranes?
Structural Design of Fastener Bolt Anti-Rotation Mechanism
Tightening Torque for Locking Nuts: Should Locking Torque Be Included?
Factors Leading to Thread Stripping in Threaded Screw
Fastener Bolt: Types of Surface Treatment Processes
Analysis of Hexagon Shaped Bolt Backing Out Issues
A Guide to Understanding the Double End Stud
High Strength Bolt: Large Hexagonal Head vs. Shear-off Type
Can a Spring Washer Really Prevent Loosening?
How to Inspect a Threaded Screw
High-Temperature Oil and Gas Flange Assembly: Main Causes of Leakage
11 Types of Flanges and Their Seal Face Forms
Mechanical Performance Analysis of Tower Crane Bolts in Port Cranes
High Strength Bolt: Mechanism of Loss of Clamping Force
How Many Types of Locking Nuts Do You Know?
Outlook of the Power Generation Fasteners Market
Wheel Bolt: Don't Tighten It Too Much!
Application of Tower Crane Bolts in Port Cranes
Benefits of Using Bolt in the Industrial Sector
The Best Bridge Connection: Welding vs. Bolt
How to Choose the Right Fastener Bolt Solution?
Critical Role of the High Strength Bolt in Wind Turbine Systems
The Threads of Fasteners (3)
The Threads of Fasteners (4)
Marking Methods of Fastener
Materials of Common Fastener
Surface Treatment
Dacromet
Dacromet is a new type of surface treatment technology
Typical Processing Routes
Typical Processing Routes (II)
The Backbone of Structural Stability in Tall Structures
Aerospace Fasteners: The Invisible Guardians of Flight Safety
The Unsung Pillars of Power Generation Reliability
The Critical Advantages of Marine Diesel Engine Fasteners for Reliable Performance
The Critical Role of Connecting Rod Bolt in Engine Performance
High-Quality Cylinder Head Bolt: Engine Performance & Reliability
Wind Tower Fasteners: Securing the Future of Renewable Energy
Performance Testing – Toughness
Download
Catalog for Fasteners & Machining Parts-JNZC
Contact Us
Last updated: 2026/07/22
Homepage