Pre-shipment inspection (PSI) is one of the many quality control tests conducted by Shenzhen Melparts Hardware Technology Co., Ltd.. This inspection is based on standard QC testing or on customer request. Based on these criteria and procedures, samples are randomly selected and defects are checked. For us, pre-shipment inspection is an important step in the quality control process and a way to check the quality of the weld pins before shipment.

Over years of development, MPS insulation pins has become the partner of choice in self adhesive insulation pins manufacturing for many major companies worldwide. The wing seal series has many styles to meet the diversified needs of customers. MPS stainless steel wing seal is manufactured with precision. Its manufacturing process includes conventional machining, special processing, and heat treatment. The product is very easy to weld for people. The product has a soft close mechanism. The close hinges are adjustable and can eliminate the sound of slamming doors and drawers. It has sharp top, making it easy to penetrate through the insulation.

In the future, we will create more and more suitable products for customers. Please contact.