Direct answer: ECOOSUN supplies custom heat treatment fixtures from drawings, models or sample information. The supplied evidence shows stacked grid assemblies, separate design references and local measurement views. Buyers can review arrangement and interfaces, while alignment, locating accuracy, material identity and acceptance still require controlled drawings and order-specific inspection records.
ECOOSUN is the overseas operating brand of Xinghua Hengxin Machinery Co., Ltd., a heat-resistant steel casting manufacturer established in June 2005 in Xinghua, Jiangsu, China.
This evidence set was prepared from photographs and design references supplied and authorized by ECOOSUN. It distinguishes visible features from characteristics that require a drawing or inspection record.
Stacked grid-fixture assembly

The assembly contains multiple grid levels and upright rods. Review how each level is located and supported, how workpieces are loaded, and whether assembly clearances accommodate the intended operating cycle. Visible straightness in a photograph does not establish an alignment tolerance.
Assembly model and locating requirements

The model is a design reference, not a photograph or inspection result. Agree the datum system, workpiece-contact features, spacer lengths and assembly orientation. Similar visual geometry is not sufficient to prove that a model and photograph share the same controlled drawing revision.
Grid/separator component and local measurement

This separate cast grid/separator example shows ribs and connection features. Treat local measurements as characteristics that need drawing references; do not assume every visible grid is interchangeable with the complete fixture shown earlier.
Close-up dimension-check activity

The close-up shows a tape at a local feature. It illustrates measurement access, not a complete inspection report. Locating surfaces, hole positions and datum-related dimensions may need different instruments and methods from an overall envelope measurement.
Spacer sleeve: design and physical-check context

Spacer and support components should be reviewed as part of the assembly interface. Confirm sleeve length, fit, mating features and the intended stacking arrangement in the drawing. This photograph alone does not demonstrate the fit of the complete assembled fixture.
How to use this evidence in a supplier review
| Visible evidence | What buyers can review | What still needs a record |
|---|---|---|
| Stacked fixture photograph | Arrangement of grids, rods and interfaces | Alignment and locating-dimension results |
| Assembly design reference | Features and assembly questions | Approved revision and workpiece suitability |
| Component measurement view | Accessible measurement locations | Instrument suitability, readings and tolerances |
Information to agree before quotation
- Controlled assembly and component drawings; datum points and locating features
- Workpiece orientation, support rods, spacer interfaces and loading/release access
- Furnace clearance, loading, atmosphere, thermal cycle and previous damage
- Critical dimensions, alignment checks, traceability and acceptance records
Buyer questions
Can an assembly photograph prove locating accuracy?
No. Locating accuracy requires defined datums, tolerances and measured results. Photographs help identify features and assembly arrangement.
Can ECOOSUN review a fixture from a used sample?
Yes. Provide sample photographs, measurements, workpiece interfaces and operating conditions. Worn or distorted features must not automatically be copied as original design dimensions.
Are all grid and spacer images from one verified assembly?
No. They are labelled as assembly or component examples. The page does not assert that every image belongs to one order or drawing revision.
What should a fixture inspection package include?
Agree the part and revision identifiers, critical datum-related dimensions, assembly/interface checks, material and traceability records, and any required hold or witness points.
Official product and RFQ route
Review the official Heat Treatment Fixtures product page. Send drawings, sample photographs, operating conditions, quantity and required records through Contact Us.
Verify the manufacturer through the official company facts and current catalog. For shared process and laboratory context, see manufacturing and quality evidence.
Published examples are not a universal specification. Final material, dimensions, manufacturing route and inspection scope are agreed for each project.