changzhou jianing Furnace co,ld

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changzhou jianing Furnace co,ld Quality Info

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Quality Control

Quality Control Step:

1) Mass Production Sample Prove.

2) Material Checking.

3) During Mass Production, check the production line.

4) Before packing, have to check the product one by one.

changzhou jianing Furnace co,ld

Contact Person: Msjoyce zhang

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