Pre-shipment inspection (PSI) is one of the many quality control tests conducted by Tianjin TianYingTai Steel Pipe 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 rectangular pipe before shipment.

Standing above others, TYT is a leading brand in gi pipe field. As one of TYT Steel Pipe's multiple product series, square pipe series enjoy a relatively high recognition in the market. The product has a thick and strong structure. Its heart board is made of natural log and its surface layer is made of the natural thick veneer. That guarantees the whole stable and robust structure. It has gone through heat treatment to remove the stresses that may occur due to welding and formation processes. The design of the product plays an important role in relaxing people's minds. It will give people a good mood when they walk into the bathroom. It is easy to process and economical.

TYT highly values every detail during cooperation with customers. Please contact us!