Factory Qualifications & Project Documentation
Hengxin supports heat exchanger and heat exchange station buyers with domestic factory qualifications, management system certificates, inspection report materials, patents and project documentation support.
- Built for engineering procurement teams, EPC contractors, HVAC system integrators and equipment distributors.
- Focused on reviewable factory evidence and project documents, not unverified international product certification claims.
- Customer project tables are not published raw; project experience is summarized anonymously for confidentiality.
Qualification Positioning For International Buyers
This page presents Hengxin's domestic factory qualifications, management system certificates, inspection report materials, patents and project documentation support. It should not be interpreted as a claim of international product certification.
For overseas projects, required compliance documents should be reviewed according to the target market, product type, pressure level, applicable standards and confirmed order scope.
The bank account opening permit is shown only as a redacted public preview. The raw bank account document is not published on this website.
Management System Certifications
The English certificate copies below are the most useful first review materials for overseas buyers. They are management system certifications and should not be treated as product approval for a specific destination market.
ISO 9001 Quality Management System Certificate
English version for quality management system review by overseas engineering and procurement teams.
ISO 14001 Environmental Management System Certificate
English version for environmental management system documentation review.
ISO 45001 Occupational Health & Safety Certificate
English version for occupational health and safety management system review.
Factory And Production Qualifications
These documents support factory, production and industry qualification review. They are domestic qualification materials and should be interpreted according to the certificate scope shown on each document.

Special Equipment Production License
Domestic special equipment production qualification within the pressure equipment scope stated on the certificate.

Plate Heat Exchanger Production License
Domestic production license material covering plate heat exchanger products within the approved standard and product scope.

Tubular Heat Exchanger Production License
Domestic production license material covering tubular heat exchanger products within the approved standard and product scope.

Plate Heat Exchanger Safety Registration
Domestic product safety registration certificate for plate heat exchanger products under the stated registration category.

Heat Exchanger Standardization Committee Member
Membership material from the heat exchanger subcommittee under the national boiler and pressure vessel standardization technical committee.

Business License
Company registration material showing Hengxin's legal entity and approved business scope for heat exchange equipment manufacturing and sales.

Business License Duplicate Copy
Additional business license copy retained for buyer qualification review and documentation matching.

Bank Account Opening Permit
Public preview with account and bank details redacted. The raw document should only be reviewed through private buyer communication when needed.
Inspection And Quality Documentation
Inspection report materials can be reviewed according to product type, order scope and project documentation requirements. The reports below should be read within the tested product and report scope.

Product Quality Inspection Report - Page 1
Report excerpt issued by a local product quality supervision and inspection institute.

Product Quality Inspection Report - Page 2
Additional inspection report page showing tested performance and conformity information for the relevant report scope.

Heat Exchanger Supervision Report - Page 3
Provincial heat exchanger product quality supervision inspection report material.

Heat Exchanger Supervision Report - Page 4
Concluding report material showing conformity to referenced heat exchanger standard and supervision inspection requirements.

ISO 14001 Chinese Certificate Copy
Chinese original management system certificate copy for documentation matching.

ISO 45001 Chinese Certificate Copy
Chinese original occupational health and safety management system certificate copy.

ISO 9001 Chinese Certificate Copy
Chinese original quality management system certificate copy for buyer review.
Patents And Technical Development
Hengxin's utility model patent materials support engineering credibility around plate heat exchangers, shell-and-tube structures, storage-type exchangers, descaling functions and distribution-hole structure design.

Stainless Steel Double-Tube Plate Heat Exchanger
Patent certificate for a stainless steel double-tube plate heat exchanger design.

Low-Energy Storage-Type Heat Exchanger
Patent certificate for a low-energy volumetric or storage-type heat exchanger design.

Multi-Heat-Source Storage-Type Heat Exchanger
Patent certificate for a volumetric heat exchanger designed for multiple heat source conditions.

Shell-and-Tube Longitudinal Mounting Component
Patent certificate for a longitudinal mounting component used in shell-and-tube heat exchanger structures.

Annular Shell-and-Tube Heat Exchanger
Patent certificate for an annular shell-and-tube heat exchanger design.

Storage-Type Heat Exchanger With Descaling Function
Patent certificate for a storage-type heat exchanger design with a descaling function.

High-Efficiency Plate Heat Exchanger With Distribution Hole
Patent certificate for a high-efficiency plate heat exchanger using a distribution-hole structure.
Domestic Supplier And Business Credibility Materials
These materials are useful for domestic supplier review and business credibility context. They are secondary trust materials, not overseas product compliance approvals.

Liaoning Famous Brand Product Certificate
Domestic recognition certificate for Hengxin-brand plate heat exchanger products.

China Huadian Supplier Member Certificate
Domestic supplier membership material in the China Huadian procurement network.

CNPC Second-Tier Supplier Network Certificate
Domestic supplier network material for listed electromechanical product categories. Current applicability should be confirmed for each project.

Power-System Electromechanical Product Supplier Qualification
Domestic qualification material for supplying electromechanical products related to power-system equipment categories.

Contract and Creditworthy Enterprise Certificate
Domestic credit recognition material related to contract performance and business credibility.

Quality, Service and Reputation Trusted Product
Domestic recognition material for product quality, service and reputation.

Quality, Service and Reputation AAA Enterprise
Domestic enterprise recognition material related to quality, service and reputation.
Anonymized Project Experience
The source PDF includes domestic project performance tables, but the raw tables contain customer names and project records. Hengxin does not publish those tables directly on this English website.
Customer Lists Are Not Published Raw
Customer names, project names, addresses, contract information, contacts and identifiable records are not shown in the public page. Project references should be shared only when disclosure is appropriate.
Experience Is Summarized By Application
Hengxin's experience can be described by product type and application category without exposing customer identities or project-specific commercial information.





Project Documentation Support
International buyers can send document requirements before quotation or order confirmation. Hengxin can review the requested files according to product type, technical scope and order boundary.
If a project requires third-party testing, special certification or destination-market compliance documents, the requirement should be confirmed before quotation.
International Compliance Review
Overseas project compliance depends on destination market, product category, pressure level, medium, temperature, applicable standard and order scope. Hengxin should review these requirements case by case before confirming what can be supplied.
Send Required Standards
Buyers should send project standards, target market requirements, drawings and document lists before quotation so the scope can be reviewed clearly.
Confirm Documentation Scope
Qualification copies, inspection records and project documents should be tied to the confirmed product and order scope.
Review Handover Files
Packing, delivery, operation and maintenance documents can be prepared according to the agreed scope and buyer requirements.
Factory Qualifications FAQ
Short answers for overseas buyers reviewing Hengxin's factory qualifications, management system certificates, inspection materials and project documentation support.
Does Hengxin have international product certifications?-+
This page does not claim international product certifications for a target market. It presents domestic factory qualifications, ISO management system certificates, inspection report materials, supplier review materials and patents. Any required overseas product compliance document should be reviewed by project.
What factory qualification documents can Hengxin provide?-+
Available materials include domestic factory qualification documents, production license materials, management system certificates, product safety registration materials, inspection report materials and patents, subject to confirmed document scope.
Can Hengxin provide ISO management system certificates?-+
English and Chinese copies of ISO 9001, ISO 14001 and ISO 45001 management system certificates are shown for buyer review. These are management system certificates, not destination-market product approvals.
Can inspection reports be reviewed before ordering?-+
Inspection report materials can be reviewed according to the product type, order scope and buyer documentation requirements. The exact available records should be confirmed before quotation or order release.
Are customer project lists shown publicly?-+
No. The source file includes project performance tables, but raw tables with customer names and project records are not published on this page. Project experience is summarized anonymously by application type.
Can Hengxin support EPC or distributor documentation review?-+
Yes. EPC contractors, engineering companies, system integrators and distributors can send qualification review forms, technical specifications, drawing requirements and document lists for project-based review.
What should buyers send when requesting qualification documents?-+
Please send product or system type, target country or region, required standards, document list, pressure and temperature conditions, drawings if available and whether third-party testing or special compliance review is required.
Request Qualification And Project Documentation
Send your product type, target market, required documents, project standards, drawings or technical files. Hengxin can review the available qualification materials and documentation scope before quotation or order confirmation.
- Product or system type and project application.
- Target country or region and required standards.
- Required certificates, inspection records or handover files.
- Drawings, technical specifications or EPC document list if available.