Certificate - Mining Equipment, Air compressor accessories, Air compressor

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Jinjing Gas Compressor Manufacturing Co.,Ltd.

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CE certificate

Issuing authority : ECM

Valid period : 2018/7/30 - 2023/6/29

Remark: The product(s) has been verified on a voluntary basis. The product(s) satisfies the requirements of the Certification Mark of ECM, in reference to the above listed Standard(s). The above Compliance Mark can be affixed on the product(s) accordingly to the ECM regulation regarding its release and its use.
This verification doesn't imply an assessment of the production of the product(s).

In order to ensure that our screw compressor operates as efficiently as possible, Jinjing has independently developed its own special rotor profile. Compared with other traditional rotor profile designs, Jinjing rotor can save up to 15% energy.

Our precision machined large-size roller bearings help to make our air end have a long service life. All these, together with our state-of-the-art internal manufacturing processes and strict manufacturing tolerances, provide excellent quality synonymous with the Jinjing name.

Jinjing adopts an international advanced frequency conversion module, a special motor with speed up and down characteristics, and a set of PID parameters especially suitable for screw compressors. The control software has been tested by hundreds of thousands of compressors, with simple parameter settings and a friendly man-machine interface. The cooling of the frequency converter is specially designed. In order to support the user to set the best working pressure, the filtering area of the filter element of the oil-gas separator is increased.
CE certificate

Issuing authority : ECM

Valid period : 2018/7/30 - 2023/7/29

Remark: The product(s) has been verified on a voluntary basis. The product(s) satisfies the requirements of the Certification Mark of ECM, in reference to the above listed Standard(s). The above Compliance Mark can be affixed on the product(s) accordingly to the ECM regulation regarding its release and its use.

This verification doesn't imply an assessment of the production of the product(s).

In order to ensure that our screw compressor operates as efficiently as possible, Jinjing has independently developed its own special rotor profile. Compared with other traditional rotor profile designs, Jinjing rotor can save up to 15% energy.

Our precision machined large-size roller bearings help to make our air end have a long service life. All these, together with our state-of-the-art internal manufacturing processes and strict manufacturing tolerances, provide excellent quality synonymous with the Jinjing name.

Jinjing adopts an international advanced frequency conversion module, a special motor with speed up and down characteristics, and a set of PID parameters especially suitable for screw compressors. The control software has been tested by hundreds of thousands of compressors, with simple parameter settings and a friendly man-machine interface. The cooling of the frequency converter is specially designed. In order to support the user to set the best working pressure, the filtering area of the filter element of the oil-gas separator is increased.
Equipment Manufacturer Qualification Certificate

Certificate No : 18E0S02389

Issuing authority : Equipment Development Department of the Central Mi

Valid period : 2018/12/18 - 2023/12/17

Qualification certificate of equipment manufacturer

Upon examination, Tianjin Jinjing Gas Compressor Manufacturing Co., Ltd. is qualified as an equipment manufacturer and has been registered and listed in the list of equipment manufacturers of the people's Liberation Army
Utility Model Patent Certificate

Certificate No : ZL 2018 2 0308895.5

Issuing authority : State Intellectual Property Office

Valid period : 2018/10/19 - 2025/7/19

This utility model has undergone preliminary examination by this Office in accordance with the Patent Law of the People’s Republic of China, and it has been decided to grant the patent right, issue
this certificate, and register it in the Patent Register. The patent right takes effect on the date of the grant announcement.
The term of this patent is ten years, calculated from the filing date. The patent owner shall pay annual fees in accordance with the provisions of the Patent Law and its Implementing Regulations.
The annual fees for this patent shall be paid by March 7 of each year. If the annual fees are not paid as prescribed, the patent right
shall terminate as of the date on which the period for payment of the annual fees expires.
The patent certificate records the legal status of the patent right at the time of registration. Matters such as the transfer, pledge, invalidation, termination, and restoration of the patent right, as well as
changes in the patent owner’s name or title, nationality, and address, shall be recorded in the patent register.
Tianjin Gazelle Enterprises

Certificate No : DL20191106XQ00227

Issuing authority : Tianjin Municipal Bureau of Science and Technology

Valid period : 2019/11/6 - 2022/8/19

According to the Tianjin Municipal Science and Technology Bureau, “Tianjin Gazelle Enterprises” refer to high-growth, innovative enterprises in Tianjin that have been evaluated and included in the database in accordance with the *Measures for the Evaluation and Support of Tianjin Chuying Enterprises, Gazelle Enterprises, Leading Science and Technology Enterprises, and Enterprises Under Cultivation for Leading Science and Technology Status*. These enterprises are characterized by rapid growth and strong innovation capabilities.
AAA Credit Rating Certificate

Certificate No : 112011118120715395

Issuing authority : Changfeng International Credit Rating (Group) Co.,

Valid period : 2018/12/7 - 2021/12/6

The 3A rating is the highest credit rating assigned by rating agencies. It refers to bonds or companies that have received the highest credit rating from Standard & Poor’s or Moody’s, and is denoted by the rating symbol “AAA.”

The 3A rating (also known as the AAA rating) is the highest credit rating assigned by rating agencies (such as Standard & Poor’s, Moody’s, China Chengxin International, and United Credit Rating) and applies to corporate entities or bonds.
The long-term credit rating system used in China generally follows a three-tier, nine-grade structure, with AAA as the highest grade.
An AAA rating indicates that a company has a high level of creditworthiness, low debt risk, sound operations, strong profitability, and promising prospects for growth.
A corporate issuer with a long-term credit rating of AAA demonstrates an extremely strong ability to repay debt, is largely unaffected by adverse economic conditions, and has an extremely low risk of default; A long-term credit rating of AAA for a bond indicates that the bond is extremely safe and carries an extremely low risk of default.
Obtaining an AAA issuer credit rating is an authoritative certification of a company’s comprehensive strength and reputation, helping to reduce financing costs and broaden financing channels.
In the United States, only two companies—Johnson & Johnson and Microsoft—hold an AAA rating.
ISO9001

Issuing authority : EACC

Valid period : 2019/6/12 - 2022/6/11

TIANJIN JINJING GAS COMPRESSOR
MANUFACTURING CO., LTD.
Unified Social Credit Code: 91120111773622223A
Registered Address: No. 15 Plant, Chenxing Road, Tianjin Zhongbei Industrial Park
Production/Office Address: No. 10 Plant, Chenxing Road, Tianjin Zhongbei Industrial Park
Has been audited to conform to the following Quality Management System standard
ISO 9001:2015
This Quality Management System is valid for the
Production of oil-injected screw air compressor for general use
(power 7.5 ~ 355kW, exhaust pressure ≤1.25MPa) and micro
reciprocating piston air compressor (power 0.37 ~ 15kW,
exhaust pressure ≤1.4MPa)

In order to ensure that our screw compressor operates as efficiently as possible, Jinjing has independently developed its own special rotor profile. Compared with other traditional rotor profile designs, Jinjing rotor can save up to 15% energy.

Our precision machined large-size roller bearings help to make our air end have a long service life. All these, together with our state-of-the-art internal manufacturing processes and strict manufacturing tolerances, provide excellent quality synonymous with the Jinjing name.

Jinjing adopts an international advanced frequency conversion module, a special motor with speed up and down characteristics, and a set of PID parameters especially suitable for screw compressors. The control software has been tested by hundreds of thousands of compressors, with simple parameter settings and a friendly man-machine interface. The cooling of the frequency converter is specially designed. In order to support the user to set the best working pressure, the filtering area of the filter element of the oil-gas separator is increased.
Product Quality and Safety Certification Certificate

Certificate No : 2018GCCA02001015901

Issuing authority : Hefei General Machinery Product Certification Co.,

Valid period : 2018/11/12 - 2023/11/11

Product Quality and Safety Certification Certificate
The performance and safety specifications of the certified products listed below comply with the requirements of GC009G01, “Implementation Rules for Compressor Product Certification.”
The validity of this certificate is maintained through periodic surveillance by the certifying body.

Applicant: Tianjin Jinjing Gas Compressor Manufacturing Co., Ltd.
No. 10 Chenxing Road, North Park, Zhongbei Industrial Park, Xiqing District, Tianjin
Manufacturer: Tianjin Jinjing Gas Compressor Manufacturing Co., Ltd.
No. 10 Chenxing Road, North Park, Zhongbei Industrial Park, Xiqing District, Tianjin
Certified Product: Micro Reciprocating Piston Air Compressor
Scope: Power 1.5–15 kW, discharge pressure ≤ 1.4 MPa
Applicable Standards: GB 22207-2008 Safety Requirements for Positive-Displacement Air Compressors
GB/T 13928-2015 Miniature Reciprocating Piston Air Compressors
Certification Model: Confirmation of factory production capacity + product inspection + post-certification surveillance
Certificate of Registration

Certificate No : 06919E10377R0S

Issuing authority : 凯新认证（北京）有限公司

Valid period : 2019/3/18 - 2022/3/17

This is to certify that
Tianjin Jinjing Gas Compressor Manufacturing
Co., Ltd
Unified Social Credit Code: 91120111773622223A
Address: No. 10, Chenxing Road, North Park of Zhongbei Industrial Park.
Xiqing District, Tianjin, goog8o, China.
The Management system is in conformity with
GB/T 28001-2011/OHSAS 18001:2007 standard
Scope: The Relative Occupational Health Safety Management
Activities about Manufacture of General Oil Rotary
Screw Compressors (Power: 7-5~355kW, Discharge
Pressure ≤1.25MPa), Miniature Reciprocating Piston
Air Compressors (Power: 0.37~15kW, Discharge
Pressure 1.4MPa) and Locations Involved
Issue Date
: 2019-03-18
Term of Validity
:2024-03-11
Foreign Trade Operator Filing and Registration Form

Certificate No : 02573988

Issuing authority : Tianjin Municipal Bureau of Commerce

Valid period : 2022/8/31 - 2038/8/31

🔑 Obtaining “Import and Export Operating Rights”: This is the key credential that grants a company the legal qualification to engage in the import and export of goods or technology, and it serves as the “entry requirement” for entering the foreign trade sector.

📋 A prerequisite for customs clearance: Without it, customs authorities will not process customs declaration and release procedures for a company’s imported or exported goods; it can be described as the “pass” for the entire foreign trade process.
🏛️ The foundation of government regulation: As a result of the transition from an approval system to a filing and registration system, it reflects a shift in the government’s regulatory approach—from strict pre-approval to gathering information and conducting in-process and post-event supervision through filing and registration.
Explosion-Proof Certification

Certificate No : CCRI 22.1274X

Issuing authority : Testing Center of Coal Science and Technology Rese

Institution URL : http://www.ccritc.com.cn/Home

Valid period : 2022/9/26 - 2027/9/25

Explosion-Proof Certification
Certificate
No.: CCRI 22.1274X
Applicant: Tianjin Jinjing Gas Compressor Manufacturing Co., Ltd.
Address: No. 2 Anze Road, Zhangjiawo Town, Xiqing District, Tianjin
Product Name: Explosion-Proof Screw Compressor
Model and Specifications: EXQKD-口A
Explosion-Proof Marking: ExdbebmbIIB T4Gb
Technical Documentation:
Q/KSLD 001-2022
Drawing No.:
EXQKD-口A-00
Remarks: See attached page
Following the review of the product drawings and technical documentation, as well as the inspection of the sample, the product is found to comply with the following current national standards: GB/T 3836.1-2021, GB/T 3836.2-2021, GB/T 3836.3-2021, GB/T 3836.9-2021, and GB/T 3836.15-2017.
Certificate Date: September 26, 2022
Valid Until: September 25, 2027
Approved by:
Coal Science and Technology Research Institute Co., Ltd.
Testing Center of Coal Science and Technology Research Institute Co., Ltd.
Construction Company Qualification Certificate

Certificate No : D212080975

Issuing authority : Issued by the Ministry of Housing and Urban-Rural

Valid period : 2022/11/12 - 2025/7/9

Construction Enterprise Qualification Certificate
(Original)
Company Name: Tianjin Jinjing Gas Compressor Manufacturing Co., Ltd.
No. 10 Chenxing Road, North Park, Zhongbei Industrial Park, Xiqing District, Tianjin
Detailed Address:
Unified Social Credit Code
(Business License Registration No.): 91120111773622 Legal Representative: Wang Yixiao
Registered Capital: 30 million RMB Legal Form: Limited Liability Company
Certificate No.: D212080975
Valid Until: July 9, 2025
Qualification Category and Grade: Construction Labor Services (Unclassified)
Grade III Specialized Contracting for Building Mechanical and Electrical Installation Projects
ENTIERPRISESTANDARDFORERUNNER

Certificate No : ESF2022-0C34420202007032

Issuing authority : 合肥通用机电产品检测院有限公司

Valid period : 2023/3/28 - 2026/3/27

Tianjin Jinjing Gas Compressor Manufacturing Co., Ltd.: Your company’s corporate standard Q/KSLD004-2022, “KDI1420A Screw-Type Air Compressor,” has been evaluated and awarded the 2022 “Leader” title for corporate standards.
High-Tech Enterprise

Certificate No : GR202012002052

Issuing authority : Tianjin Municipal Bureau of Science and Technology

Valid period : 2023/12/1 - 2026/12/1

💰 Significantly Reduced Tax Costs
This is the most direct and widespread benefit. The corporate income tax rate is reduced from the statutory 25% to 15%. This means that, for the same level of profit, companies can retain more funds for growth.
In addition, there are several cumulative benefits:
Extended Carryforward Period for Losses: Unrecovered losses from the five years prior to the year in which a company qualifies as a high-tech enterprise may be carried forward, with the maximum carryforward period extended from 5 to 10 years. This effectively helps smooth out early-stage R&D losses for technology companies.
Additional Deduction for R&D Expenses: R&D expenses can be deducted at a higher rate before taxation, further reducing the tax base.
Additional VAT Deduction: Eligible high-tech enterprises in advanced manufacturing may enjoy a 5% additional deduction on input VAT.
🏆 Enhancing Corporate Brand and Market Value
The certification itself serves as a “stamp of approval” with multiple commercial benefits:
National-Level Accreditation and Prestige: This is currently one of the most prestigious national-level accreditations available to many small and medium-sized enterprises (SMEs) and serves as authoritative proof of technological innovation capabilities.
A “Stepping Stone” to the Market: When participating in bidding for major projects or applying for government science and technology programs, High-Tech Enterprise certification serves as a key advantage—and in some cases, a prerequisite for entry.
A “Booster” for Capital Markets: It effectively enhances a company’s valuation and serves as a crucial metric for demonstrating corporate value and growth potential during financing, mergers and acquisitions, and initial public offerings (IPOs).
🏛️ Access to Local Support and Preferential Resources
To foster the high-tech industry, local governments typically implement a series of concrete support policies:
Direct Financial Incentives: Many...
Business License

Issuing authority : XZ下ZX

Valid period : 2024/7/3 - 2029/8/18

Sample Content
Enterprise AAA Credit Certification

Certificate No : BJCT202412092223A03

Issuing authority : Beijing Changtai Credit Rating Co., Ltd

Valid period : 2024/12/9 - 2027/12/8

AAA level trustworthy supplier
AAA level Integrity Management Demonstration Unit
AAA rated credit enterprise
AAA level quality service integrity unit
AAA level service-oriented and trustworthy enterprise
AAA level contract abiding and trustworthy enterprise
AAA level quality and trustworthy enterprise
Wang Yicong, China Integrity Manager

Integrity Management System Certification Certificate
Tianjin Jinjing Gas Compressor Manufacturing Co., Ltd
Unified Social Credit Code: 91120111773622223A
Registered address: Area A, No. 2 Anze Road, Zhangjiawo Town, Xiqing District, Tianjin City
Production location: Area A, No. 2 Anze Road, Zhangjiawo Town, Xiqing District, Tianjin City
Integrity management system certification complies with GB/T31950-2023 standard
Scope of Management System Certification
Integrity management activities involved in the production and sales of air compressors
Date of issuance: November 7th, 2024
Valid until: November 6th, 2027
The certificate is valid for use within the validity period of various administrative licenses and qualifications stipulated by the state
According to the certification requirements, the interval between each supervision and audit and the last on-site audit cannot exceed 12 months. The certificate is valid after passing the annual supervision

Wang Yicong, Chinese Honest Entrepreneur
Wang Yicong, China Integrity Manager

December 9th, 2024- December 8th, 2027
Credit rating agency: Beijing Changtai Credit Rating Co., Ltd
Certificate Publicity Platform: National Enterprise Credit Information Publicity Platform www.ctxinyong.org.cn
China Tendering and Bidding Network www.ceccid.org.cn
Tianyancha.com is included in Tianyancha.com
TUV

Certificate No : 50183578 001

Issuing authority : TUV Rheinland LGA Products GmbH

Valid period : 2010/9/30 - 2019/9/29

Report No.:
AK 50418961 0001
50183578 001
Holder:
Product:
Identification:
TIANJING JINJING GAS COMPRESSORMANUFACTURING CO., LTD.CHENXING ROAD NO. 10,ZHONGBEI INDUSTRIAL PARK,XIQING DISTRICT 300380TIANJIN CITY, CHINA
Air compressor
(Oil-free Screw Air Compressor)
Type Designation: Sw20
Remark: Refer to test report 50183578 001 for details.
Compressed air purity class for total oil: 0
Tested acc. to:
I80 8573-1:2010I50 8573-2:2018IS0 8573-5:2001
The certificate of conformity refers to the above mentioned product. This is to certify that the specimen
is in conformity with the assessment requirement mentioned above, This certificate does not implyassessment of the production of the product and does not permit the use of a TUV Rheinland mark of
conformity.
Date
29.09.2018
TUV Rheinland LGA Products GmbH - TillystraBe 2 - 90431 Nurnberg
Patent Certificate

Certificate No : ZL 2019 2 0263605.8

Issuing authority : China National Intellectual Property Administratio

Valid period : 2019/3/1 - 2030/3/1

A new type of explosion-proof gas storage tank

ZL 2019 2 0263605.8

A new type of gas storage tank

ZL2019 2 0263036.7

A joint fixing device for air compressor, refrigerated dryer and air storage tank

ZL2019 20263021.0

An automatic drainage gas storage tank

ZL.2019 2 0258547.X

An air compressor base with good seismic and heat dissipation performance

ZL2018 2 0308924.1

A refrigerated dryer with filtering function

ZL2018 20311921.3

ZL2019 2 0260157.6

A gas storage tank with drainage structure

ZL 2019 2 0260233.3

A refrigerated dryer with filtering function

ZL 2019 2 0258546.5

A gas storage tank that is easy to transport

ZL 2018 2 0308895.9

A fixed base for a gas storage tank
Certificate of Evaluation for the Integration of Informatization and Industrialization Management System

Certificate No : AIITRE-00721IIIMS0087001

Issuing authority : Beijing Saisheng Technology Co., Ltd

Valid period : 2021/5/18 - 2024/5/18

Certificate of Evaluation for the Integration of Informatization and Industrialization Management System
Integration.otintorm
This is to certify that
Tianjin Jinjing Gas Compressor Manufacturing Co., Ltd
The management system complies with
Requirements for Integrated Management System of Informatization and Industrialization (GB/T23001-2017)
This certificate is valid for the following evaluation scope: the integration of information and technology management activities related to the construction of collaborative control capabilities for procurement, sales, inventory, and finance
Tianjin Jinjing Gas Compressor Manufacturing Co., Ltd. is located at No. 10 Chenxing Road, North Park, Zhongbei Industrial Park, Xiqing District, Tianjin,
Date of Issue: May 18, 2021 Validity Period: May 18, 2024
(The information of this certificate can be queried on the evaluation and management platform of the integrated management system.)
Computer Software Copyright Registration Certificate

Issuing authority : National Copyright Administration of the P.R.

Valid period : 2022/9/22 - 2026/8/8

Computer Software Copyright Registration Certificate of the National Copyright Administration of the People's Republic of China
Certificate No.: Ruanzhudeng Zi No. 11102634
Automated Operation Control System for Gas Compression Equipment V1.0
Software Name:
Copyright holder: Tianjin Jinjing Gas Compressor Manufacturing Co., Ltd
Development completion date:
September 16th, 2022
First publication date:
September 17th, 2022
Method of obtaining rights:
Acquisition through transfer
Scope of Rights:
All rights
Number: 2023SR0515463
register
According to the Regulations on the Protection of Computer Software and the Measures for the Registration of Computer Software Copyright
According to regulations, the above matters shall be registered after being reviewed by the China Copyright Protection Center.

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Automated Operation Control System for Gas Compression Equipment V1.0