Valves
The company lists Valves in its published product or service range.
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Metal heat-treatment processing is separately named for Xiehong in the filing; confirm the actual process, material and required inspection documents with the company.
Specify the component material, drawing, required heat-treatment condition, dimensions and inspection requirements. Request the actual available heat-treatment process and a defined acceptance scope for the particular part. Confirm the treatment record and any subsequent machining or dimensional checks needed before the component returns to its intended assembly.