LIAOCHENG JINGNAI MACHINERY PARTS CO.,LTD

Jingnai Machinery is a scientific and technological bearing enterprise integrating R&D, production and trade. The company is located in Liaocheng city, Shandong province. And holds two bearing factories which can provide quality grade P0(Z1V1), P6(Z2V2), P5(Z3V3 ).
The products are widely used in small cars, trucks, engineering vehicles, agricultural machinery, excavators, paper making, power generation, mining, metallurgy, steel, machine tools, petroleum, railways etc. Registered brand: JITO ， SPZ, which has passed ISO9001:2008 management system certification and IATF16949:2016 system certification.
our brand bearings are strictly controlled from all aspects of production, from raw material making, turning to heat treatment, from grinding to assembly, from cleaning, oiling to packing etc. The operation of each process is very meticulously. In the process of production, through Self-Test, follow check, sampling inspection and full inspection strictly of quality, all performances meet the international standard. Meantime, the company has set up an advanced testing center, introduced the most advanced testing instruments, measuring meter, vibration tester, hardness tester, profiler, roundness meter, metallographic instrument etc. Under the quality of products to whole monitor, and the comprehensive performance of fully inspection products, to ensure zero defect in our products.
We have provided service for many OEM customers. At present, our products have been exported to European Union, South America, Southeast Asia, the Middle East and other 30 countries.
Depending on high service life, high precision and high performance,our bearings obtain the general customer’s approval and trust, we will make persistent efforts to create more value and wealth for customers. Jingnai wish your join hands, create a better tomorrow together.