Pre-shipment inspection (PSI) is one of the many quality control tests conducted by SUMWIC MACHINERY 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 core cutting machine before shipment.

SUMWIC MACHINERY COMPANY has been stable suppliers for automatic toroidal core winder. SUMWIC MACHINERY COMPANY provides a wide range of toroidal winding machine for customers. The product has high dimension precision. No matter the pattern making or stitching process is done professionally with much attention to tolerances. SUMWIC winding machine is equipped with high-performance German Siemens control systems. SUMWIC Machinery which SUMWIC MACHINERY COMPANY established with painstaking efforts is doomed not to stick to the rules. SUMWIC decoilers with extended function are suitable for coils of different sizes.

we will never be content with good quality and make a big stride towards top quality. Please contact us!