Track Bolts
Track bolts are mainly used in the construction machinery industry to fix track shoes to connecting rod assemblies.All items are produced in strict accordance with industry standards or customer-speci...
Rail & Locomotive
Common rail transit includes traditional railways, subway/light rail, high-speed rail, etc.The rail transit industry has strict requirements on the fatigue resistance and anti-loosening performance of...
Hydraulic Nuts
Hydraulic nuts are used for bolts that need to be disassembled frequently, pre-tightening of super-large bolts, and locking of large workpieces.The principle of the hydraulic nut is that the hydraulic...
Crosshead
The crosshead links the piston and the connecting rod and has a guiding effect. It slides on the guide plate, and transmits the gas pressure in the cylinder to the crank connecting rod mechanism, ther...
What Are the Key Challenges Facing the Wind Turbine Fastener Market in Europe?
The European wind energy sector is rapidly expanding, driven by ambitious decarbonization goals. However, the growing demand for wind turbine components, particularly high-performance fasteners, faces...
Inspection & Measurement
The quality management department of Jinan ZhongChuan Equipment Co., Ltd (JNZC). is fully responsible for the company's quality management work and has established project management, quality syst...
Surface Treatment
Surface Treatment:In-house solutionsBlack oxidePhosphatingFlake zinc-aluminum coating (Dacromet, Geomet)HDG (Hot dip galvanizing)Electro galvanizingMechanical galvanizingCopper platingTeflonSpecial co...
Hexagon Fit Bolts
The front thread of hexagon fit bolts is used for connection, and the back end without thread is used for positioning. It can withstand lateral and axial loads. The lateral load-bearing method depends...
Coupling Bolts
Coupling bolts are mainly used in the diesel engine industry.All items are produced in strict accordance with industry standards or client-specific requirements.
Heavy Trucks, Construction & Mining Equipment
Due to the harsh working conditions, heavy trucks, construction & mining machinery require fasteners to have high reliability such as anti-loosening and wear resistance.Jinan ZhongChuan's (JNZ...
Super Nuts
Hydraulic nuts are used for bolts that need to be disassembled frequently, pre-tightening of super-large bolts, and locking of large workpieces.The principle of the hydraulic nut is that the hydraulic...
Flanges
Flanges are parts that are connected between shafts and are used for connection between pipe ends. It is also useful for flanges on equipment inlets and outlets, which can be used as the connection be...
What are the microscale changes in quenching during heat treatment?
Quenching processThe quenching of steel is the heat treatment process of heating the steel to the critical temperature Ac3 (hypoeutectoid steel) or Ac1 (hypereutectoid steel) above the temperature, ho...
Inspection
Integrated tests and inspection instruments for chemical, mechanical, and precision measurement
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