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NingBo MiBo Machinery Manufacturing CO., LTD

Cel: +86 139 6789 0522

Tel: +86 130 8297 0937

What's APP: +86 139 6789 0522

E-mail: bridgedong@nb-mibo.com

Add: No.76 HaiChuan Road, HongTang Industrial Area, JiangBei District, NingBo City, ZheJiang Province.China.

Quality Control at MiBo Machinery manufacturing Company is an ISO 9001:2008 Registered Company

Quality is the basis of our business philosophy. Controlling the manufacturing process begins with the identification of important control characteristics and dimensions. Our quality assurance department works closely with you, establishing a partnership, to ensure a high level of quality. Our inspection equipments can ensure all of important characteristics and dimensions to be inspected and also our inspection instruction will make sure every process is inspected from raw material incoming to finished product .If you have any questions on our quality assurance for the whole processes,our quality department will answer your questions at any time  

Current main quality control procedure

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1. Raw material incoming inspection

Material supplier must provide their chemical elements inspection report when raw material incoming each batch, our inspector will also test and verify the chemical elements by our spectrum apparatus and make sure the chemical elements of raw material complies with specification,because it is very important inspection item in whole quality system.


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2.Die casting process chemical element inspection

The chemical elements of the castings will be checked regularly each furnace during casting , and guarantee the chemical elements of  the castings are subject to the specification too.


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3. The key charateristics and dimensions inspection for the casting process

Under normal circumstances, the castings will be inspected every two hours during casting,and also keep the samples of every stage on the inspection shelf,and keep these castings traceable,to some key charateristics and dimensions, we will inspect them 100% by special inspection methods.


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4. The key charateristics and dimensions inspection for the machining processes

Under normal circumstances,the semi-finished parts will be inspected every two hours during machining,and also keep the samples of every stage on the inspection shelf,and keep these parts traceable. For some key charateristics and dimensions, we will inspect them 100% by special inspection methods


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5. Finished parts and assembly parts appearance inspection

All finished parts and assembly parts will be inspected  in the appearance 100% by visual on the worktable, and make sure the appearance of all the parts sent out is qualified. 


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6. Finished part dimension inspection

The finished parts will be checked with all dimensions according to the drawings and customer's other requirements by CMM or other measuring tools and provide full dimensions report.



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7. Samples preservation

Customer's samples or the confirmed samples by both parties will be held more than at least 3 years  in the sample room.