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China Lesso Group Holdings Limited

Pipeline and Building Material Mold Manufacturing Injection Molding Production
China Lesso Group Holdings Limited is a major domestic player in the piping materials industry. Its business spans across various segments including pipelines, building materials and home furnishings, environmental protection, supply chain services, and photovoltaic new energy. The company offers products in fields such as piping, photovoltaic new energy, plumbing, sanitary ware, integrated kitchens, doors and windows, aluminum formwork and smart climbing frames, water purification equipment, waterproofing and sealants, firefighting equipment, valves, wires and cables, lighting, sanitary materials, environmental protection, agricultural facilities, and marine aquaculture net cages.

With the advance of internationalization and globalization, China Lesso has established over 30 advanced production bases across 18 provinces in China and overseas countries. Wuhan Lesso Precision Mold Co., Ltd. is a wholly-owned subsidiary set up by China Lesso Group in Wuhan. Covering an area of over 70 acres with factory buildings occupying more than 20,000 square meters, the company owns more than 200 sets of advanced and efficient production equipment, mainly manufacturing plastic injection molds and plastic pipe extrusion molds.

Transitioning to Intelligent Manufacturing: EMAN Assists Lesso in Building a Benchmark Intelligent Workshop

Project Background

Prior to the transformation, Wuhan Lesso Mold faced several challenges such as producing mostly single or low-volume parts, low operating efficiency with manual labor, difficulty in recruiting and retaining talent, and more.

How to break through? Riding on the wave of the city's push for intelligent and digital transformation, Wuhan Lesso has been continuously upgrading its production technologies since 2019, aiming to build a smart factory that integrates IoT, intelligent control, and automated production to achieve intelligent manufacturing and quality and efficiency improvements.

In 2021, Lesso began its partnership with EMAN to conduct exhaustive research and analysis. EMAN systematically reviewed Wuhan Lesso's process and business flows, leveraging its extensive project experience to focus on top-level design and undertook numerous initiatives, culminating in a comprehensive "three-in-one" solution, including intelligent production management, flexible automated processing, and an intelligent warehousing and logistics system.

EMAN Solution

The solution centers around the EMAN MES system to command the factory's automation lines, logistics, and warehousing processes. It uses a 1-to-10 processing automation line for deep, coordinated intelligent operation among humans, machines, and materials. Additionally, a WMS & AGV intelligent warehousing logistics management system was established, using AGV vehicles and WMS systems to deliver materials across Lesso's production lines and workshops, enabling comprehensive warehousing and logistics management, covering inventory locations, stations, and transfers. The EMAN MES-APS system-based intelligent production management unifies the scheduling of production plans and manages the integrated production process that includes AGV material handling, automated line processing, and finished product warehousing.

 

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Value Benefits

After the implementation of the intelligent project, Wuhan Lesso's traditional workshops benefited from reduced energy and labor costs, significantly improved production efficiency, and enhanced product quality. During an interview at the event, Wuhan Lesso Mold's General Manager, Yang Xiangrong, stated, "The transformation from relying on human effort to leveraging data has allowed the workshop to operate continuously 24/7, increasing capacity by 25%, part processing efficiency by 100%, equipment utilization by 125%, and logistics transfer efficiency by over 200%. Previously, each worker managed 3 machines, now one worker can manage 12, and the time for production data analysis has reduced from 24 to 2 hours."

Looking Ahead

Wuhan Lesso has already completed the intelligent upgrades for several workshops. The next step will be to gradually phase out older equipment and upgrade existing equipment with adequate precision and performance through intelligent and automated modifications. This will minimize human intervention during production processes, enhance control over production stages, further boost production efficiency, and improve product quality, creating greater economic and social benefits.

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