Simai is a professional watch bands manufacturer. It specialized in custom watch bands,custom apple watch bands,resin watch band.

Proofing test

After the draw confirmed, we will sign a contract and letter of authorization. Then we start make the sample.

Whole machine test

After sample finished, we will test if and then Send to Customer for checking and test.


Customer do the whole test and confirm the sample.Then make mass production.



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Currently holds two national patents, forming a complete watch band product system,which mainly with resin watch straps and custom apple watch bands,

supplemented by leather straps, steel straps, cloth straps, and silicone straps.

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