Pre-shipment review (PSI) is just one of many excellent control evaluations conducted by Dongguan Yongqiang spring hardware Co.,Ltd.. This review is based on regular QC testing or on client request. Based on these standards and processes, samples have been randomly chosen and flaws are assessed. For all of us, pre-shipment review is an important step in the quality management procedure and a means to confirm the grade of this Auto Spring before dispatch.

Yongqiang prides ourselves in manufacturing the exquisite Medical Precision Lathe which has gained much reputation in this market. Yongqiang's Metal spring is various in types and styles to meet the different needs of customers. Yongqiang Medical Hardware is stridently inspected in many aspects. It is checked whether there are different shades within the same fabrics, exposed notches, loose or hanging threads, pulled or loose yarns, etc. It remains stable working performance under high strength conditions. The product can provide constant results. It doesn’t get tiried and make dangerous mistakes, neither does it suffer from repetitive strain injury. The product is characterized by perfect processing property.

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