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ZhongRui

Anhui Province's Ningguo City Zhongrui Wear-resistant Materials Co., Ltd. is located in Ningguo City, the capital of China's Wear-resistant Casting Industry. The company mainly produces high-chromium, medium-chromium, and low-chromium alloy cast balls, cast sections; ball mill liners; crusher guards, hammers, etc. Wear-resistant products. The company has a casting ball workshop, casting workshop, white mold cutting workshop, heat treatment workshop, raw material workshop, finished product workshop, and physical property testing room.

The company is equipped with 2 fully automatic iron mold sand coating production lines, 4 mechanical arm shell molding machines, 1 fully automatic lost foam mold production line, 1 fully automatic heat treatment quenching + reheat treatment production line, 2 automatic flipping annealing furnaces, 3 sets of VIP-1800 series melting furnaces, cabinet-type PRO spectrometer, carbon-sulfur analyzer, hardness tester, far-infrared temperature measuring instrument, etc. The production and testing equipment is complete and comprehensive. Temperature-controlled melting, constant temperature pouring, automatic temperature-controlled quenching, and annealing have been achieved, and many technologies are at the forefront of the industry.

The product specifications are complete, meeting the needs of customers for different materials of cast balls, cast sections, ball mill liners, crusher guards, hammers, etc., ranging from Ф8mm to Ф150mm. The company now has an annual production capacity of 60,000 tons of cast balls and castings.

In its development, the enterprise has always adhered to the development strategy of "using science and technology to build the enterprise" and "strengthening innovation to build the enterprise". It has continuously strengthened service awareness and quality awareness, and has successively obtained ISO9001 quality certification, ISO14001 environmental certification, ISO45001 occupational health and safety management certification; and has received many certificates such as "Safety Production Standardization".

We adhere to the business philosophy of "trustworthiness as the foundation, integrity as the priority", requiring every employee to be honest in their conduct and diligent in their work, and to be responsible for producing high-quality and qualified products to increase production and efficiency for customers. We strive to become a century-old enterprise with high quality, strong quality, good reputation, and a beautiful environment.

Anhui Ningguo Zhongrui Wear-Resistant Materials Co., Ltd.
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    Production Line

Electrolytic Furnace Melting and Chemical Composition Control:

  • Melting:
    The IGBT module series-connected electric furnace melts molten iron.
  • Analysis:
    A German-imported direct-reading spectrometer is used to detect over a dozen chemical elements within one minute. Before and after each batch of molten iron is melted, both pre-melting and post-melting analyses are conducted. If there are any deviations, the quality adjustment is carried out immediately to meet the standards before pouring. 
  • Pouring:
    The temperature of the molten steel is measured by far-infrared rays, and the fully automatic iron mold sand casting ball production line performs constant temperature pouring.
  • Initial Inspection:
    Initial visual inspection requires a smooth surface without cracks, slag inclusions, pores, sand holes, shrinkage cavities, cold shuts, etc. The semi-finished products that pass the initial inspection are then polished.