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 wound core folding machine before shipment.

SUMWIC MACHINERY COMPANY offers the best core winding machine at the best price. We are able to personalize our products in a unique style. SUMWIC MACHINERY COMPANY's transformer winding machine series contains multiple sub-products. As a competitive product, it also ranks top in its huge development prospects. SUMWIC decoilers with extended function are suitable for coils of different sizes. This product is safe to use. It is made of environmentally safe materials that are free of volatile organic compounds (VOCs) such as benzene and formaldehyde. All SUMWIC machines have low noise level.

We endeavor to win more support and trust from customers. We'll continuously listen to and meet clients' needs with respect and pay attention to corporate responsibility to eventually persuade clients to build business partnerships with us.