Pre-shipment inspection (PSI) is one of the many quality control tests conducted by Sheng-An Plastic 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 plastic extrusion pdf before shipment.

Thanks to years of focus on the design and production of single screw extruder design, Sheng-An has been a reliable manufacturer and distributor. extruder machine produced by Sheng-An is very popular in the market. The product features high energy efficiency. Adopting the newest latest energy conservation technologies, it is designed to reduce energy consumption. It can guarantee the high sealing performance of the plastic parts. Sheng-An's customer service will carefully listening and attending to customers’ needs. The cooling system of the product features high cooling efficiency for smooth shaping.

our team always pays attention to the quality and service. Contact us!