ZHONGLI
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PRODUCTION PROCESS

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01 Raw Materials

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02 Raw material re-inspection

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03 Cutting

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04 Forging

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05 Ring rolling

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06 Heat treatment

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07 Machining

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08 Drilling

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09 Finished product inspection

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10 Packaging

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11 Transportation

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12 On-site acceptance

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01 Raw Materials

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02 Cutting

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03 Forging

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04 Ring Rolling

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05 Heat treatment

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06 Welding

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07 Machining

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08 Drilling

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09 Finished product inspection

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10 Packaging

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11 Transportation

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12 On-site acceptance

TESTING CENTER

Complete testing equipment


The company owns electronic ****** material testing machines, metal pendulum impact testing machines, metallurgical microscopes, three-coordinate measuring machines and other testing equipment. It has the ability to test and inspect the chemical composition, metallography, room temperature, and high-temperature mechanical properties of conventional material products. It can also conduct ultrasonic flaw detection by contact and immersion methods, PT, MT and other non-destructive testing projects.
Nine laboratories under the center
1. Tensile testing room  2. Impact testing room 3. Sample preparation room 4. Corrosion testing room 5. End quenching room 6. Spectroscopic room 7. ONH analysis room 8. Metallographic hardness room 9. Non-destructive testing room

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01 Tensile testing room

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02 Impact testing room

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03 Sample preparation room

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04 Corrosion testing room

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05 End quenching room

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06 Spectroscopic room

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07 Oxygen, nitrogen, and hydrogen analysis room

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08 Metallographic hardness room

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09 Non-destructive testing room