Heavy lift equipment used in offshore engineering, ports, and large construction projects operates under extreme loads and harsh working environments. To ensure long-term stability and safety, key structural components such as slewing bearings, boom joints, and lifting mechanisms rely on high-strength bolts, studs, and precision pins. As critical heavy lift crane fasteners, these components must deliver exceptional fatigue resistance, tensile strength, and corrosion performance to support demanding lifting cycles and continuous heavy-duty operations.
For the long-term reliability of operation, the key parts of heavy lifting equipment at offshore engineering and ports, such as slewing bearings, key joints of booms, etc., all require reliable High Strength Bolts/Studs, Precision Pins, and other heavy lift crane fasteners to ensure safety.
These fasteners operate under extreme loads, repeated lifting cycles, and harsh environments such as salt spray, high humidity, and constant vibration. High-performance heavy lift crane fasteners play a vital role in maintaining structural integrity and operational reliability for cranes, hoists, and large-scale lifting equipment.
Tower crane bolts are fundamental components in the construction and industrial sectors, serving a crucial role in ensuring the stability and reliability of tower cranes. These specialized bolts are meticulously designed to provide robust connections, effectively securing the various parts of the crane together. Their durability and strength are vital in supporting the lifting and moving of heavy loads, making them essential for the safe and efficient operation of tower cranes on construction sites and in other heavy-duty applications.
Tower crane bolts are a testament to the precision engineering and high standards required in the field, playing a key part in the successful completion of numerous large-scale projects around the world.
Jinan Zhongchuan Equipment Co., Ltd. is a prominent industrial fastener provider specializing in the production of high-performance crane bolts for heavy lifting equipment. With a strong focus on precision engineering and superior quality, our company is dedicated to delivering reliable and durable heavy lift crane fasteners that ensure the safety and stability of various types of cranes used in demanding industrial applications.
Backed by advanced manufacturing techniques and a commitment to excellence, we strive to provide industry-leading solutions that meet the rigorous standards of the heavy lifting sector.
30+ years of fastener manufacturing expertise
Production range from M16–M450, length up to 10 meters
Advanced automated production lines & intelligent robots
ISO 9001, AS9100D, IATF16949, ISO/IEC 17025 certified
Long-term cooperation with GE, Siemens Energy, Caterpillar, Wartsila, Yanmar, etc.
Proven reliability in offshore lifting, port cranes, construction cranes, and heavy industrial lifting systems
JNZC's heavy lift crane fasteners are engineered to withstand extreme torque, cyclic loads, corrosion, and fatigue—ensuring stable and safe operation under the toughest conditions.
As a global manufacturer of high-strength fasteners and precision machining parts, JNZC provides complete OEM & ODM solutions for heavy lift crane fasteners.
We customize:
High-strength bolts and studs
Large-size precision pins
Slewing bearing bolts
Boom connection bolts
Non-standard heavy lift fasteners
Customized to meet industry requirements, drawings, and extreme working environments.
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