Kejia (Changxing) Mould Base Manufacturing Co., Ltd. (Kejia Mould Base) is a company specializing in the production of die casting mould bases and the sales of mould steel. Established in 1984, the company now employs over 420 people and owns more than 200 CNC machining centers and various processing equipment. Kejia Mould Base has integrated the upstream and downstream production chain, connecting forging, heat treatment, rough machining, and precision machining. It has become a leading large-scale mould base manufacturer in China.

Die casting mould development requires mould base support, as the structure and manufacturing precision of the mould base directly impact the mould’s structure and the precision of forgings. The quality innovation journey between Kejia Mould Base and Haitian Precision began in 2008, with the purchase of the first HTM-1000G, which is still in operation today for rough machining of steel parts.

Kejia Mould Base Deputy Director – Su Jian

Su Jian, the General Manager of Kejia Mould Base, has deep insights into Haitian Precision’s machines. Over the 16 years of cooperation, Haitian Precision has gained his trust with its strong technical advantages, reliable product quality, and efficient processing capabilities. A stable and reliable partner like Haitian Precision has enabled steady business growth. Currently, 20 Haitian Precision machines are hard at work in Kejia’s new Changxing facility, contributing to Kejia’s growing sales performance.

Amid the wave of large-scale die casting, Kejia Mould Base keenly anticipated market trends and was the first to collaborate with a renowned international automotive brand to co-develop the world’s first aluminum alloy die-cast chassis rear axle mould base. This innovation marked a historic breakthrough, reducing the number of components from over 300 parts needing stamping and welding to just three for assembly. Non-standard mould bases have higher commercial value, and this breakthrough also tested the precision and rigidity of Haitian Precision’s equipment.

Haitian Precision’s gantry-type five-face milling center excels in high-speed, high-precision machining of complex surfaces, making it ideal for moulds with large surfaces, multi-angle deep cavities, and automotive body panels. At Kejia Mould Base, Haitian Precision’s equipment is used to manufacture mould bases for new energy vehicle front and rear axles, battery boxes, and other components. The side milling head allows for the processing of five surfaces in one setup, and angled cuts can be completed with a single clamping, achieving excellent precision and high surface smoothness. Additionally, after implementing Haitian Precision’s equipment, processing times have been significantly shortened, delivering impressive efficiency.

Production Manager of Kejia Mould Base Yang Kui

„Haitian Precision’s gantry machines are highly rigidincreasing processing efficiency by 30-40% whenworking with materials with a hardness of HRC50-60. „

Kejia Mould Base’s Changxing facility now has the capacity to produce over 3,000 sets of mould bases annually, including over 300 sets of lightweight integrated structural mould bases for new energy vehicles. With rapid business growth, Kejia Mould Base has increased its investment in digitization by introducing ERP, MES, and OA systems to ensure a complete product supply chain, shorten production cycles, and ensure fast delivery. The company is optimizing its smart manufacturing capabilities and deepening cooperation with Haitian Precision to guarantee efficient and stable processing. Currently, Kejia Mould Base has established long-term partnerships with well-known brands such as XPeng and NIO, and plans to further expand into North American and European markets to enhance the global competitiveness and market share of its large-scale mould bases and integrated die-cast mould bases.

In the mould base industry, Kejia Mould Base has won customers over with its technology and quality. We firmly believe that innovation is the driving force behind industrial progress. Whether in traditional industries or new sectors, Haitian Precision continues to innovate and explore the realm of smart manufacturing, playing a key role in every transformation and upgrade in the manufacturing industry.

In the vast blue ocean of smart manufacturing, Estun Automation, a leader in robotics and automation, continuously drives industrial upgrades with its profound technical expertise and spirit of innovation. As a standout in the industrial machine tool sector, Haitian Precision’s high-precision and highly stable equipment is well recognized in the industry. When Estun met Haitian Precision, a deep collaboration in smart manufacturing began, creating a tale of mutual cooperation and integration.

01 Increasingly Seamless Collaboration

Established in 1993, Nanjing Estun Automation (Estun) adheres to an open, innovative, and striving business philosophy, consistently focusing on independent R&D for core technologies. From core components to motion control, and further to robotics and digital intelligent solutions, Estun remains at the forefront of the industry, providing customers with comprehensive smart manufacturing services. Behind this is Estun’s relentless pursuit of manufacturing equipment and stringent quality control over its products.

Encountered with growing production capacity demands, Estun decided to upgrade its overall smart factory solutions by introducing a more efficient Flexible Manufacturing System (FMS). After extensive research and in-depth discussions, Haitian Precision stood out among numerous domestic and international competitors, securing a strategic partnership with Estun due to the high precision of its machine tools and comprehensive technical support.

As the equipment gradually arrived and was installed and debugged, the teams from both sides worked closely to continuously optimize production processes, ensuring each step achieved its best state. Since its launch at the beginning of the year, Haitian Precision’s FMS has been running stably, with production steadily increasing, proving the correctness of Estun’s choice.

02 A Dual Leap in Efficiency and Quality

Haitian Precision’s FMS focuses on the precision machining of motor housings, drive casings, robot bases, and arm castings, bringing significant efficiency improvements to Estun. The introduction of FMS allows for zero-changeover and zero-switching when processing various complex robot components, significantly enhancing equipment utilization. At the same time, Haitian Precision’s high-precision machine tools ensure that the machining accuracy meets or even exceeds expectations, laying a solid foundation for Estun’s product quality.

Haitian Precision’s FMS has effectively improved Estun’s production and processing model. In terms of manpower, what once required one person per machine now only needs one to two people to manage six machine tools in continuous operation, greatly increasing processing efficiency. Additionally, the flexible line’s built-in tool breakage monitoring function can automatically switch tools using sister tools, protecting tool life and reducing downtime. The multiple sets of process programming within a single machine can automatically select processing based on the loaded workpieces, offering distinct advantages over traditional gantry lines or robots in the production of small batches of diverse products. The high-precision horizontal machining centers from Haitian Precision also demonstrate outstanding performance, running stably and meeting both high-load cutting and high-speed processing needs, fully maximizing efficiency.

Assistant to the President of Estun: Li Wenlong

“FMS has further enhanced production operatingrates, reaching a high level of 90%-95%. The preci-sion is also spot-on, with daily part accuracy within10 microns, fully meeting production requirements.”

03 Comprehensive Support and Assurance

Estun highly praises Haitian Precision’s machineries, believing that it matches or even surpasses foreign brands in performance. Haitian Precision’s technical support and after-sales service have provided Estun with unprecedented convenience and peace of mind. The technical personnel at Haitian Precision are not only professional and responsible but also proactively analyze and eliminate potential risks after resolving issues, preparing preemptive plans to ensure the continuous and stable operation of the production line.

Haitian Precision understands the importance of after-sales service, from equipment installation and debugging to daily maintenance. Their technical application personnel are always by their side, ensuring the equipment is always in its best state. Additionally, Haitian Precision has provided customized services tailored to Estun’s production needs for robot part machining, further improving production efficiency and machining accuracy.

Chief Engineer of Estun: Zhang Haicheng

“Haitian Precision has given Estun strong supportin technology and services, and their guidance hasbeen of great help to our equipment staff.”

As emerging industries continue to seek both “new” in “quality”, Estun and Haitian Precision have formed complementary advantages in the industrial chain, bringing about mutual understanding and synergy. Intelligent matching allows the machine tool’s performance to be maximized, while the machine tool ensures efficient and stable production of parts. High-end CNC machine tools and smart equipment are setting a new benchmark for the industry, opening up new boundaries in smart manufacturing. The story of Estun and Haitian Precision in this manufacturing revolution continues…