Grinding Workshop:Finish the processing of inner rings and outer rings and their grooves.we have totally 50 machines here in this workshop.

Bore-measuring workshop:As bore size is so important a bearing products,in order to keep high quality,we will check every inner size to get make it right.
Super finishing work shop:we do second processing to inner and outer grooves here to keep high rotation quality.
Cleaning room and semi-products room:Before super finishing and after super finishing,we will all do washing and cleaning,and semi-products(rings) will be put in that room and waiting to be sent to assmbled.
Automatic Assemble Workshop:We have 16 auto assemblying lines here and several hand-assemblying lines(for some special bearings),assembled from steel ball,rings,cages and shields.Along with assemblying work,machies will do self inspeciton including ball quantitiy inspect,shields inspect,grease inspect,rotation inspect.
Quality test room:We do a series test work after assemblying work.Size check,roundness check,noise level check,vibration check.Now over 70% of our bearings reach P6(ABEC-3),Z4,V3 group.
Packge and Storage: We will do rust prevent working by machine before packed.Accoding to bearing size,our standard package is tubes,small boxes,big boex,of course individual pack is also availbale for customer design.

Ningbo Zhenhai Hualei bearing co.,ltd is a professional micro bearing manufacturer since 2001 in Ningbo,china. We offer a range size of deep groove ball bearings.... [View More]
Our company is equipped with advanced grinding automatic line, the assembly process using the automatic assembly line with lean production concept design,at the same time, we introduce advanced automatic detection equipment to replace traditional man... [View More]
Name: Mandy
Tel: +86-574-87114373
Add: Miaohou Road,Xiepu Industry Zone, Ningbo,China. P.C:315203
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