Pre-shipment review (PSI) is just one of many excellent control evaluations conducted by Dms Seals Technology Co.,limited. 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 PTFE o ring before dispatch.

DMS Seals is a manufacturer of custom o rings. We are known by leveraging our overall product breadth and scale, and our manufacturing excellence. DMS Seals provides a wide range of PTFE o ring for customers. DMS Seals PTFE o ring is manufactured adopting electromagnetic technology, which means all of the writing or drawing movements can be detected automatically by electromagnetic induction. The R&D teams have the ability to design and develop seals for various of complicated working condition of sealing system. The product is water resistant. It is made of highly waterproof materials and its exterior zippers are also waterproof to prevent the water come in. Quality control of the seals is the basis for our company.

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