OEM & ODM
JNZC produces standard and customized different types of fasteners & precision machining parts.
As a professional custom fastener manufacturer, we offer professional ODM and OEM customization services, tailoring solutions to meet specific industry requirements and customer needs.
Physical and Chemical Testing Center
Jinan ZhongChuan (JNZC) Physical and Chemical Testing Center adopt the industry's top testing and inspection equipment. The testing scope covers the chemical composition of metal materials, mechan...
Heat Treatment
Heat Treatment:Nadcap accredited, BV certified Follow AMS 2750 / CQI-9Quenching & TemperingInduction HardeningCarburizing. NitridingMultiple quenching mediaBatch traceabilityComplete tests
JNZC Attended Marintec China 2019 Exhibition
The 20th Marintec China known as the wind vane of the development trend of international marine technology was held in SHANGHAI New International Expo Center from December 3rd to 6th. More than 2300 e...
Studs
Studs are mainly used in occasions where one of the parts to be connected has a large thickness, requires a compact structure, or is not suitable for bolted connections due to frequent disassembly. Th...
Hydrogen Energy
The hydrogen energy industry chain mainly includes the production, storage, transportation, and application of hydrogen. Fasteners applied in hydrogen production and hydrogen storage are required to h...
II. Fastener Manufacturing Process
2.2 Brief Introduction to Fastener Production Procedures2.2.1 Wire RodWire rod, also referred to as coil material or coiled stock, is produced by heating and rolling steel billets. (Due to inadequate ...
Application Industries
Quality Assurance
JNZC adopts the new product development project management method, makes full use of the five major tools of APQP to improve process control, and utilizes quality management tools such as 8D, fishbone diagrams, characteristic factor diagrams, and 5Why to trace the source and continuously improve quality management.
The production process adopts the combination of operator self-inspection, mutual inspection, and inspector's special inspection to effectively control product compliance.
Jinan ZhongChuan Equipment Co., Ltd.'s strict quality management system has been in operation for more than 20 years. We have established the complete process flow from product order receipt review, and product quality planning in the early stage to final delivery to customers to achieve customer satisfaction and continuous improvement.
Metrology and Measurement Center
Jinan ZhongChuan (JNZC) Metrology and Measurement Center is mainly responsible for the verification and calibration of length measuring instruments. Product precision dimension testing items, such as ...
Diesel Engine
Marine diesel engines are generally divided into high-speed, medium-speed, and low-speed diesel engines, and can be divided into the main engine and auxiliary engine according to their role in ships. ...
Nuts & Washers
Nuts are tightly connected with the bolt of the same specification through the inner thread.Washers are used between the supporting surface of bolts, screws, nuts, etc., and the supporting surface of ...
Precision Machining/Grinding
Precision Machining/Grinding:Automatic machining robot groups ...
The International Women's Day Salon was successfully held in Jinan Zhongchuan Equipment Co., Ltd.
To celebrate the 115th International Women's Day and enrich the spiritual and cultural life of employees, JNZC planned a wonderful flower art and cake salon on the afternoon of March 7, 2025, whic...
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