The Pre-Shipment Inspection (PSI) is one of many types of quality control inspections conducted by Guangzhou Lepu Seal Machinery 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 grundfos pump mechanical seal before they are shipped.

Guangzhou Lepu Machinery CO., LTD has been engaged in the development, manufacture, and distribution of cartridge mechanical seal. We always focus on providing innovative products. The o ring mechanical seals series is one of the main products of Lepu Seal Machinery. The product has excellent strengths and stiffness. Made of heavy-duty metals that undergo stamping and thermal treating, it is able to withstand large pressure. The seal face uses high quality SSIC for stationary and rotary . The product will generate a good return on investment in the long run, because they will definitely save people's money as months go by. With highly advanced technology, Lepu seals can ensure better productivity for you.

Guangzhou Lepu Machinery CO., LTD has great ambitions to acquire the primary marketplace of pump seal.