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Changsha Haochang Machinery Equipment Co., Ltd
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Changsha Haochang Machinery Equipment Co., Ltd Quality Info

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Changsha Haochang Machinery Equipment Co., Ltd
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Quality Control

Crankshaft

• step 1，raw material

• step 2，modeling

• step 3，smelting

• step 4， pouring

• step 5， blank clean

• step 6， centering

• step 7， clamping

• step 8， finish turning main journal

• step 9， turning con.rod journal

• step 10， coarse grinding con.rod journal

• step 11， drill oil hole

• step 12， quenching

• step 13， tempering, fine shot

• step 14， drill end

• step 15， finish grinding main journal

• step 16， finish grinding con. Rod journal

• step 17， milling key seat

• step 18， drill flange hole

• step 19， dynamic balance

• step 20， polishing

• step 21， final produce verify、

• step 22， cleaning

• step 23， coating and packing

• step 24， temperay storage

• step 25， warehouse

Attachment:Equipment with full time quality inspection in the middle process, conduct dynamic control of process quality

Certifications

Changsha Haochang Machinery Equipment Co., Ltd Certifications
Standard: CE
Number: 3J180620.CHMDU42
Issue Date: 2018-06-20
Expiry Date: 2023-06-19
Scope/Range: Crankshaft
Issued By: Ente Certificazione Macchine Srl
Changsha Haochang Machinery Equipment Co., Ltd Certifications
Standard: GB/T19001-2016/ ISO 9001:2015
Number: 17918Q13660ROS
Issue Date: 2018-07-06
Expiry Date: 2021-07-05
Scope/Range: Auto engine parts,Machinery spare parts
Issued By: Beijing Zhongding Hengchang Certification Co.,Ltd.
Changsha Haochang Machinery Equipment Co., Ltd Certifications
Standard: TUV
Number: QYSF212018071100019475
Issue Date: 2018-07-05
Expiry Date: 2019-07-04
Scope/Range: Timing chain kit,Crankshaft,Cylinder head,Piston ring,Cylinder liner,Piston
Issued By: TÜV Rheinland Group
Changsha Haochang Machinery Equipment Co., Ltd Certifications
Standard: BV
Number: 5169285-T
Issue Date: 2013-01-17
Expiry Date: 2014-05-16
Scope/Range:
Issued By: Alibaba.com
Changsha Haochang Machinery Equipment Co., Ltd Certifications
Standard: TUV
Number: 7468641_T
Issue Date: 2014-01-21
Expiry Date: 2015-01-20
Scope/Range:
Issued By: Alibaba.com
Changsha Haochang Machinery Equipment Co., Ltd Certifications
Standard: GB/T19001-2016 idt ISO9001:2015
Number: ISCC19Q0160R0S
Issue Date: 2019-07-05
Expiry Date: 2022-07-04
Scope/Range: Auto engine parts,Machinery spare parts
Issued By: Guangdong Aishuo Certification Co.,Ltd.

Company Profile

Changsha Haochang Machinery Equipment Co., Ltd

Contact Person: MrsSusen Deng

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