In the modern agricultural water-saving irrigation system, drip irrigation pipes are hailed as the "capillaries" of farmland. It delivers water and nutrients to the roots of crops in the most precise way. Behind this seemingly simple black pipe is a complete set of precise manufacturing and quality control systems. Today, we entered the production workshop to visit on the spot the complete birth process of drip irrigation pipes from raw materials to finished products.

Workers pour the raw materials into the silo. Through the centralized feeding system, the particles are conveyed under negative pressure to the heating and melting units of each production line. This system realizes the integrated control of water, electricity, gas and materials. One person can complete the precise transportation of all the materials along the line, which not only reduces the labor intensity but also reduces the dust in the workshop.

After the raw materials enter the extruder, they are plasticized in a high-temperature furnace. The molten tube billet is extruded from the die head and immediately enters the vacuum cooling and shaping process, which enables the tube to achieve stable dimensions and roundness. For inlaid drip irrigation pipes, the most crucial process lies in the inlaying of the drippers: the cylindrical drippers are precisely embedded into the inner wall of the pipe while the pipe is formed, and are integrally formed with the pipe body to ensure the accurate position and firm inlaying of the drippers.

After the drip irrigation pipes are formed, they undergo the process of punching drip holes. The hole diameters and spacings are set according to the order specifications, with deviations controlled within an extremely small range. Subsequently, the online detection system conducts real-time monitoring of the pipe diameter, wall thickness and drip hole quality. The finished products are pulled and measured in meters before being coiled into rolls. The length of each roll varies from several hundred meters to several thousand meters depending on the specifications, which is convenient for transportation and laying in the fields. In the quality control stage, we conduct random inspections on indicators such as flow uniformity, hydrostatic pressure resistance, and anti-clogging performance. Only after meeting national or industry standards can the goods be stored in the warehouse.

The drip irrigation pipes that came off the production line were eventually laid out into the vast farmlands. It enables water and fertilizer to directly reach the roots of melon seedlings, increasing water resource utilization by more than 50%. Combined with the integrated water and fertilizer technology, it achieves fertilization upon watering. A qualified drip irrigation pipe must not only stand up to the inspection of every process on the production line, but also withstand the long-term tests of sun exposure, water pressure and clogging risks in the fields.

For drip irrigation pipe manufacturing enterprises, every detail in the workshop - from the cleanliness of raw materials, the precision of dripper inlaying, to the neness of winding - will eventually be verified in the farmland thousands of miles away. Controlling production is to hold the first line of defense for water-saving agriculture.