Plum Blossom pipes are communication tube materials in the shape of a plum blossom, also known as plum blossom pipes and honeycomb pipes. They are primarily used as sheath pipes for communication cables in mobile, China Telecom, China Unicom, China Netcom, and broadcasting & television industries.

梅花 pipes feature a porous monolithic structure with even distribution of stress. The product has a low friction coefficient on the inner wall, allowing for quick and easy cable passing and simple installation. It has multiple hole positions, enabling reserved pipe holes to enhance the utilization rate of communication holes. The product is suitable for a wide temperature range (+80 to -40), making it usable in both tropical and cold regions. The joints use a sleeve structure, allowing for tool-free connections between pipes, facilitating construction and maintenance. The lifespan of the梅花 pipes exceeds multiple years when buried. The pipes have a uniform color, which is white, and can also be customized to other colors upon customer request. The pipes are smooth and flat, with a uniform color and are free from deformation, warping, or other defects. Both the inner and outer pipe walls must be free from cracks, damage, and perforations.