Litian Heavy Industry Machinery Co., Ltd.

Manufacturer from China
Active Member
6 Years
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Litian Heavy Industry Machinery Co., Ltd.
City:huludao
Province/State:liaoning
Country/Region:china
Contact Person:MsDido Zhang
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Quality Control

Litian always adheres to the tenet of quality first and reputation supreme, and has been committed to providing customers with thoughtful and perfect services.In order to provide our customers with high quality products, we have established a modern quality management system according to international standards.In order to ensure the quality of products, our quality control personnel strictly control every link of production and processing: incoming inspection, processing inspection and delivery inspection, to ensure that our products meet international standards.

Testing Machinery

Machine Name Quantity Number of Year(s) Used
Metallurgical Microscope 1 3
Hardness Tester 2 3
Microscopes 1 3
Metallographic Sample Polishing Machine 1 3
Infrared Carbon Sulfur Analyzer 1 3
High Frequency Induction Combustion Furnace 1 3

Certifications
Litian Heavy Industry Machinery Co., Ltd. Certifications
Standard: ISO9001:2015
Number: NO. 01018Q10352R1S
Issue Date: 2018-09-12
Expiry Date: 2021-09-14
Scope/Range: manufacture of tunnel boring machine cutting tools and rock drilling tools
Issued By: CNAS
Litian Heavy Industry Machinery Co., Ltd. Certifications
Standard: High Technology Expertise
Number: GR201721000657
Issue Date: 2017-11-17
Expiry Date: 2020-11-17
Scope/Range: China High Technology Expertise
Issued By: Science and Technology Department of Niaoning Province
Litian Heavy Industry Machinery Co., Ltd. Certifications
Standard: Verified Supplier Certificate
Number: 20102102_P+T
Issue Date: 2020-04-03
Expiry Date: 2021-04-02
Scope/Range: Verified Supplier Certificate
Issued By: TüVRheinland
Litian Heavy Industry Machinery Co., Ltd. Certifications
Standard: Certificate of Patent
Number: NO. 6272685
Issue Date: 2017-07-04
Expiry Date: 2027-07-04
Scope/Range: Wear-resisting end cover of tunnel boring machine hob
Issued By: State Intellectual Property Office of the People's Republic of China
Litian Heavy Industry Machinery Co., Ltd. Certifications
Standard: Certificate of Patent
Number: NO. 6272664
Issue Date: 2017-07-04
Expiry Date: 2027-07-04
Scope/Range: Wear gauge for hob ring of tunneling machine
Issued By: State Intellectual Property Office of the People's Republic of China
Litian Heavy Industry Machinery Co., Ltd. Certifications
Standard: Certificate of Patent
Number: NO. 6306152
Issue Date: 2017-07-14
Expiry Date: 2027-07-14
Scope/Range: Removal device for upper end cover of hob
Issued By: State Intellectual Property Office of the People's Republic of China
Litian Heavy Industry Machinery Co., Ltd. Certifications
Standard: Certificate of Patent
Number: NO. 6277072
Issue Date: 2017-07-04
Expiry Date: 2027-07-04
Scope/Range: Hob injection grease device
Issued By: State Intellectual Property Office of the People's Republic of China
Litian Heavy Industry Machinery Co., Ltd. Certifications
Standard: Certificate of Patent
Number: NO. 6270494
Issue Date: 2017-06-30
Expiry Date: 2027-06-30
Scope/Range: Hob seal structure
Issued By: State Intellectual Property Office of the People's Republic of China
Litian Heavy Industry Machinery Co., Ltd. Certifications
Standard: Certificate of Patent
Number: NO. 6272190
Issue Date: 2017-07-04
Expiry Date: 2027-07-04
Scope/Range: Sharp - edged hob structure
Issued By: State Intellectual Property Office of the People's Republic of China
Litian Heavy Industry Machinery Co., Ltd. Certifications
Standard: Certificate of Patent
Number: NO. 6272978
Issue Date: 2017-07-04
Expiry Date: 2027-07-04
Scope/Range: Wear resistant hob structure
Issued By: State Intellectual Property Office of the People's Republic of China
Litian Heavy Industry Machinery Co., Ltd. Certifications
Standard: Certificate of Patent
Number: NO. 6270836
Issue Date: 2017-07-04
Expiry Date: 2027-07-04
Scope/Range: Removal device for sealing ring seat
Issued By: State Intellectual Property Office of the People's Republic of China
Company Profile
Litian Heavy Industry Machinery Co., Ltd.
Contact Person: MsDido Zhang