Quick answer: this page shows how an order is controlled from melt to shipment, and the project types we supply. Individual case studies are added as customers approve publication.
How an order is controlled
| Stage | What is recorded |
|---|---|
| Casting | Heat number, charge chemistry, heat treatment record |
| Machining | Dimensional check against the approved drawing |
| Assembly | Trim material, bolting, gasket and packing verification |
| Testing | Shell test and seat leakage test results |
| Packing | Marking, tagging and packing list against the order |
Project types we supply
- Oil, gas and petrochemical plants and their utility systems
- Water treatment, desalination and water transmission projects
- Power plants and steam systems
- Building services, district cooling and HVAC projects
- EPC valve packages combining several valve types and sizes
What a buyer can verify before shipment
- Material certificate with traceability to the heat number
- Pressure test record for each valve or batch, as agreed
- Dimensional and visual inspection report
- Third-party inspection attendance at the plant on request
待补内容位：待补（本页最重要的空缺）：可署名项目案例，每个案例单独一个 URL（/cases/国家-行业-阀型/）。建议结构：客户背景 → 工况参数 → 供货方案 → 检验与交付 → 结果。若客户暂不允许署名，可先写国家与行业、不写公司名，并在此说明。