About Us
Changzhou Tianshan Heavy Industry Machinery Co., Ltd was established on December 12, 2002, and is a tertiary subsidiary of AECC (Aero Engine Corporation of China). Located in Changzhou National Hi-Tech Industrial Development Zone, the company covers 66,670 square meters and has total assets of 0.73 billion RMB.
Tianshan specializes in the manufacturing of high-precision industrial gears and has been recognized as a National High-Tech Enterprise since 2009.
Industry Experience
Since 2005, Tianshan has supplied gears to a range of well-known domestic enterprises, including:
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CQ Gearbox
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NGC Group
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Taiyuan Heavy Industry
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Erchong Group
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CFHI Group
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SANY Group
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Chongqing Wangjiang Industry Co.,Lta.
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Shaanxi Oinchuan Machinery Development Co.,Ltd
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Guodian United power
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CHINFONG Group
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Zhengzhou Machinery Institute
International Supplier Qualifications
Tianshan has successfully completed evaluation and quality certification processes for internationally recognized companies, including:
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SIEMENS
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VOITH
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Bosch Rexroth
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David Brown
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MOVENTAS
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FLSMIDTH
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METSO
Following these evaluations and certifications, Tianshan has been approved as a qualified supplier for these international enterprises.
Tianshan has also served as the only inspection-free supplier for Erzhong Group in its history, reflecting its established quality and supply capabilities.
Gear used in wind power
Gear used in offshore oil platform
Gear used in rail transportation
Gear for air compressor
Gear used in mining, building materials and metallurgy
Technical specification
|
Category |
Processing parameter range |
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|
Modulus（mm） |
Diameter/length（mm） |
Material |
Accuracy levelGB/T10095 |
Accuracy level JIS B1702-1703 |
Weight（kg） |
|
|
Ring gear |
2—42 |
φ100-φ10000 |
42CrMo4； 18Cr2Ni4W； ZG40CrNi2Mo； 42CrMoA |
Level 4-6 |
Level 0-4 |
15-100000 |
|
Gear |
2—40 |
φ100-φ8000 |
18CrNiMo7-6；17CrNiMo6； 20CrNiMo； 20CrMnMo |
Level 4-5 |
Level 0-1 |
10-70000 |
|
Gear shaft |
2—30 |
100-5000 |
18CrNiMo7-6；17CrNiMo6； 20CrNiMo；20CrMnMo |
Level 4-5 |
Level 0-1 |
10-20000 |
|
Eccentric gear |
10—38 |
φ500-φ4000 |
45 |
Level 4-5 |
Level 0-1 |
800-50000 |
Routine order tracking flowchart
Testing equipment
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| Burning test | Fluorescent magnetic paticle inspection machine | Germany Klingelnberg1m & 3 m testing machine | |
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| 1.5m tooth spacing testing | Germany Leitz 3-meter coordinate measuring machine | Metallographic testing | Spectrometer |
Workshop
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| Aichelin pit heat-treatment furnace | Closed loading test bench | Deburring machine |
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| Germany gleason-PFAUTER 10-meter high-speed hobbing machine | Grinding lathe | Grinding machine |
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| Heat treatment workshop | Hobbing machine | Hobbing Workshop |
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| Shot blasting machine | Stereoscopic warehouse | Vertimill |
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| 10-meter double column vertical turning and milling center | Germany NILES 8-meter grinding machine | Germany NILES grinding machine |