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Q:How can we guarantee quality?
A:a pre-production sample before mass production;
There is always final inspection before shipment.
Shandong Shangshan Chemical Co., Ltd
Company Address: Building A, Lijing Mingcheng, Luocheng Street, Shouguang City, Shandong Province, China
Contact: Manager Hou
Contact number: +86-13656461910
Email: info@sdsschem.com
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