Zhang Guowang, Secretary of the municipal Party committee, led a team to visit Jialong tech for investigation and guidance

On Dec.24, Jialong's production team has finished the production of fully-auto vacuum packing machine , carton loading machine and robotic palletizing line . All the goods are loaded into 7 containers. This packing line will be the most advanced one in the rice packing industry in Thailand

Director of Zhangzhou Municipal People's Congress visits Jialong Technology.

At the -12°C Hokkaido frozen storage facility, extreme cold induced rapid polymer embrittlement during the 03:00 shift. The deep-freeze transit caused single-layer films to shatter upon impact, triggering a catastrophic vacuum decay rate exceeding 0.7 kPa/min. This mathematically destroys the margin. Integrating a specialized JL-VGB500 unit with PID-controlled pre-heating thermal molds neutralized the thermal shock. By recalibrating the sealing jaw pressure (kPa) and replacing standard films with low-temperature elastic polymers, the engineering team eradicated micro-stoppages and secured the global supply chain.

At 04:00 inside a Harbin transit hub, Logistics Supervisor Chen identified a catastrophic material failure. Operating under -5°C ambient temperatures and severe 40Hz railway vibration, standard polyamide films processed by the legacy 25 kg rice packing machine became fatally brittle. A 2.1% rejection rate across a 60-ton daily run equates to $4,500 in lost margin weekly. The engineering team immediately halted operations, integrating elastomer-toughened polymers and recalibrating the sealing jaw PID dwell time. This exact material upgrade restored hermetic integrity, completely neutralizing cold-chain pressure leaks.

Polymer shrinkage during negative pressure extraction actively distorts printed barcodes, causing severe scanning failures across omnichannel supply chains. Simultaneously, high-altitude logistics induce catastrophic pressure differentials that burst standard seals. This technical bulletin examines the mechanical solutions to these e-commerce failures. We detail how an advanced automated rice packing machine line executes zoned thermal isolation to maintain optical barcode clarity. Furthermore, we analyze the hardware upgrades required within a heavy duty vacuum packing system to process three-layer puncture-resistant composites.