Made from premium PVC material, it offers corrosion resistance and anti-aging properties, effectively protecting internal pipes from external environmental influences.
In terms of specifications, we provide multiple sizes to meet various needs, including D50, D75, D110, and D160 millimeters. Each specification undergoes rigorous quality testing to ensure stability and reliability. Additionally, the quantity per carton has been optimized, such as 155 pieces for D50, 96 pieces for D75, 55 pieces for D110, and 32 pieces for D160, facilitating efficient use and management during construction.
The design of the PVC Embedded Sleeve is simple and practical, with easy installation suitable for various complex construction environments. Its smooth inner wall helps reduce pipe friction, extending its service life, while the robust outer structure can withstand the pressure during concrete pouring, ensuring construction quality and safety.
Whether for new projects or renovation works, our PVC Embedded Sleeve is an ideal solution that helps customers improve construction efficiency, reduce maintenance costs, and provide long-term reliable assurance for engineering projects.

Shanghai Pirsa Pipe Industry Co., Ltd. was established in 2003. We have two production bases located in Shanghai, China and Zhoukou, Henan Province, with cooperative bases covering Fujian, Anhui, Yunnan, Chongqing, and Shenyang in China. The factory covers an area of 100000 square meters; Over 100 production lines with an annual production capacity of 100000 tons and an annual sales revenue of 600 million RMB.
The products include PP-R, PE-RT, PE water supply pipes PB、 Nearly a hundred series of products including stainless steel drinking water pipes, HDPE drainage pipes and double wall corrugated pipes, PVC-U drainage pipes and electrical conduit, PVC-C high and low voltage power pipes, switch sockets, bathroom plumbing, and pre purified water.
The company was established in 2003
Factory area of 100000 square meters
Over 100 production lines