The Pre-Shipment Inspection (PSI) is one of many types of quality control inspections conducted by Ruichen Sealing 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 rubber stopper grommet before they are shipped.

As a developer and producer of rubber parts in automobiles of a high standard, Ruichen Sealing lives up to the name of a strong competitor in the market. The rubber o ring seals series has become a hot product of Ruichen Sealing. This product will not fade or become dingy after being exposed to washing, sunlight, rubbing, sweat, high temperature and so on. It is produced according to DIN, ASA, and ANSI sizes. The product is able to offer people an economical solution to finish the building projects with a streamlined and contemporary look. It will seal over broad ranges of tolerances.

Our company will continue to strengthen R&D capabilities and invest in expanding production capacity to grow alongside customers. We will strive to continue being a force that pushes the industry forward. Get more info!