This kitchen sink plumbing kit includes a complete set of tubular components, compatible with most sinks equipped with 1.5-inch drain pipes. It can be flexibly assembled into P-trap, S-trap, end outlet drain, center outlet drain, and washing machine trap, etc. It can be used whether connecting to wall or floor drains, suitable for both household users and professionals. The kit is designed for easy installation, with a detailed instruction manual and diagrams included, supporting DIY installation. It can meet the installation needs of garbage disposals and dishwashers, and is compatible with single-bowl or double-bowl kitchen sinks, enabling one-stop installation. It contains 30 components such as J-bend, wall bend, slip joint extension pipe, slip joint nut, tailpiece, and slip joint washer, etc. No additional pipe fittings need to be purchased, making it economical and practical. Made of high-quality engineering polyvinyl chloride (PVC) plastic, it is resistant to extreme water temperatures, alkali, and cracking. Equipped with high-performance TPE slip joint washers, it can achieve leak-free connections by hand-tightening, ensuring long-term durability.