Granville bearing manufacturer in the production of electric motor grade deep groove ball bearings, the company is committed to developing all kinds of precision radial ball bearings with inner diameter of 2mm-100mm.
The factory covers an area of 58000 square meters, the company has advanced assembly lines and perfect quality testing center. After more than ten years of management and innovation, with more than 120 automatic production lines, various kinds of testing, inspection instruments, with annual production capacity of 160 million sets of reliable high precision quality bearings.
The comprehensive application of automation production lines is a premise to ensure product’s stable quality, what’s more, it is a mark that the enterprises improve to digital management modern high-tech manufacturer.
Seiko quality, the pursuit of excellence: the control and improvement of quality is the constant pursuit of Granville, in strict accordance with the system of the provisions of the quality of each process.
We strictly follow the core of quality management process control:
APQP: product quality advance planning
SPC: Statistical process control
MSA: Measurement system analysis
FMEA: Analysis of potential failure modes and consequences
PPAP: Production part approval procedure
In the factory testing laboratories, various bearing parts are examined in detail. The factory has its own professional bearing life tester, after bearing life and durability test, our bearings have the advantages of long service life, and high durability. We are keeping introduction of the latest measurement and testing equipment. Quality procedures are based on extensive, repeatedly carried out product tests - both before inclusion in the range and after.