Factory and quality control

Factory Production and Order-Specific Quality Control

Production controls, inspection records and pre-shipment documents connected to each industrial heating equipment order.

Factory Production and Order-Specific Quality Control

Factory production

Yancheng factory and production scope.

The company sign photo identifies 盐城亿高供热设备有限公司 at the factory entrance. The factory address is No. 3 Jingyi Road, Environmental Protection Industrial Park, Yancheng City, Jiangsu Province, China. Contact the sales team to arrange a visit or live video focused on the selected equipment.

Inspection points, witness tests, records and acceptance criteria are agreed in the quotation or contract according to the product and project requirements.

Yancheng Yigao Heating Equipment company sign and factory entrance

Order quality plan

Recommended control points from inquiry to shipment.

1. Requirement review

Record medium, heat load, temperature, flow, pressure, fuel or voltage, installation environment, destination rules and acceptance criteria.

2. Drawing approval

Confirm model, dimensions, material, connections, electrical data, controls, sensor positions, access and drawing revision before production.

3. Material and component check

Agree which material grades, thicknesses, burner, pump, instruments, electrical parts and documents must be identified or traced.

4. Fabrication and assembly

Define buyer witness points for shell, pipework, insulation, supports, wiring, labels and maintainability when the project requires them.

5. Inspection and functional test

List electrical, leak, pressure, circulation, alarm, interlock and operating tests that apply, including method and acceptance criterion.

6. Document and packing release

Check nameplate, approved drawing, test record, manual, accessory list, packing protection, marks and pre-shipment documents.

Company-supplied aerial reference of the industrial park and factory area

Factory photos

Factory and project photo context.

The entrance image and aerial reference show the Yancheng factory location. Order-specific production, inspection and packing photos can be included in the agreed document package.

Project photographs on the Cases page show installations across presses, dryers, reactors and other heating duties, together with available application and configuration data.

Inspection and test plan fields

ReferencePurchase order, equipment tag or serial number and approved drawing revision.
StageIncoming material, fabrication, assembly, wiring, functional test, final inspection or packing.
Test item and methodWhat is checked, applicable procedure or standard, instrument and operating condition.
Acceptance criterionMeasurable pass requirement agreed before the test.
ResponsibilityYigao check, buyer review, buyer witness or independent third-party witness.
RecordDated result, photo or video where agreed, instrument identification and authorized sign-off.

Remote pre-shipment document package

For buyers who cannot visit, agree a package that identifies the actual order: overall and nameplate photos, connection and cabinet views, key-component labels, dimension check, drawing revision, alarm and interlock demonstration, measured test results, accessory count, document index and packing photos. Generic factory video should not replace order-specific records.

Buyer FAQ

Factory and quality control FAQ

Can buyers visit the Yigao factory?

Yes. Contact the sales team to arrange the Yancheng factory address, appointment, production schedule and the equipment or processes you want to review.

What can buyers review during a factory visit?

A visit can cover engineering and drawing control, material and component records, fabrication and wiring, inspection instruments, test records, packing methods and equipment relevant to the selected project.

Is the same quality plan used for every industrial heater?

No. Inspection and test requirements should follow the selected equipment, medium, pressure, electrical power, fuel, temperature, destination rules and buyer acceptance criteria. The agreed quality plan should be attached to the quotation or contract.

Which pre-shipment records can a remote buyer request?

Agree in advance on dated equipment photos or video, nameplate, drawing revision, component list, measured test results, alarm demonstration, packing photos and document index. Records should identify the actual order or serial number where available.

What information is included with project references?

Project references show the application and installation context. When measured results are available, they are presented together with the operating conditions, load, inlet and outlet data and test method.

Direct inquiry

Define inspection, witness and document requirements before production starts.

Submit process data through the website form or contact the sales and engineering team by WhatsApp or phone.