Dongying Kelin Precision Metal Co., Ltd Certificates
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Adantanges from Kelin`s surface treatment factory:

1.With over 30 skilled polishing workers, the maufacturing capability from our surface treatment factory is about 150 thousand pieces per month.
We can do mirror polishing (high grade bright polished) and satin polishing (brush polished) nearly for all kind of components include complex structure.
2.We can also do internal polishing treatment for fliud equipments & machinery, such as pumps and valves components for sanitary grade.
3.We can also do electric polishing by ourselves and also do salt spray test after the treatment.
4.For other surface treatment such as plating, coating,black hardeness,etc,we will contact our outsourcing suppliers which have quality certificates and years experiences to process.