The Pre-Shipment Inspection (PSI) is one of many types of quality control inspections conducted by Shenzhen Melparts Hardware Technology Co., Ltd.. This inspection is done according to standard QC Test, or based upon customer requirements. Samples are selected and inspected for defects at random, according to these standards and procedures. For us, Pre-Shipment Inspection is an important step in the quality control process and is the method for checking the quality of stick pins for insulation before they are shipped.

MPS insulation pins is noted for expertise in manufacturing insulation screws and possesses vast experience in delivering high-quality products. The wing seal series has many styles to meet the diversified needs of customers. The product can bear the most demanding industrial conditions. It is made of heavy-duty materials such as steel alloys and is not prone to rust and corrosion. The product is provided at Ex-works which can greatly save the cost. One of MPS's core competencies is full quality assurance. The product is of strong wear resistance and tension resistance.

All our members are working hard to build the first brand of self stick insulation pins. Inquiry!