In order to reduce the partial abrasion of the cup of pig and detector in pigging and detection under some special conditions. the causes for partial abrasion of cup were analyzed in depth. a structural design scheme of composite wear-resistant cup for oil and gas pipeline with diameter of 355. 6 mm was proposed. https://www.hindigyanvishv.com/best-buy-Big-Sur-After-Rain-Hand-Soap-amazing-deal/