Pre-shipment review (PSI) is just one of many excellent control evaluations conducted by Dongguan ZheRunTai silicon Technology 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 silicone earphone case before dispatch.
Dongguan Zhe Run Tai Silicone Technology Co., LTD has engaged in the R&D, production, and supply of earbud tips for years. We are a professional manufacturer embracing abundant experience. The silicone cover is one of the main products of ZheRunTai. The product features strong resistance to corrosion. Non-corrosive materials have been used in its structure to enhance its capacity to withstand rust or acidity liquid. The product is designed by our team having 15 years of experience. The product is soft, smooth and luxurious and can be used on even the most sensitive skin. So if people like these feelings, they will like it. A variety of colors are available and its color is customizable.
Depending on the relationships we have with our suppliers, we are committed to responsible, sustainable practices extending to every facet of our business.