NBWAVE / ENGINEERING RESOURCES
School pressurized hot-water system: 2022 quotation
Historical initial quotation of CNY 723,902.79: seven heat pumps, seven heating tanks and 43 storage tanks, with a reproducible cost breakdown.
Published · 2026-11-05
System configuration
This anonymized secondary-school reference records the initial 2022 NBWAVE quotation for two dormitory buildings and a multi-purpose building. It combines heat pumps, heating tanks, storage tanks, circulation and control equipment.
Historical quotation
| Field | Record |
|---|---|
| Document date | 21 July 2022 |
| Stage | Initial quotation |
| Tax-inclusive total | CNY 723,902.79 |
| Quoting entity | 马鞍山市博浪热能科技有限公司 (Maanshan Bolang Thermal Energy Technology Co., Ltd.; English rendering) |
Historical quotations in CNY for projects in China. They are not current offers, awarded prices or final settlement amounts. New projects require site-specific design and a current quotation. They are not export quotations and do not establish overseas certification or compliance.
Equipment in the initial quotation
| Area | Heat pumps | Heating tanks | Storage tanks |
|---|---|---|---|
| Dormitory 1 | 3 | 3 | 18 |
| Dormitory 2 | 3 | 3 | 21 |
| Multi-purpose building | 1 | 1 | 4 |
| Total | 7 | 7 | 43 |
Historical model references: KFXRS-43II/CY heat pumps, CRL-455-15 heating tanks and CRL-455 storage tanks. This is a record of quoted equipment, not a final installed schedule or a new-project selection.
Cost breakdown
| Quoted cost group | CNY |
|---|---|
| Dormitory 1 materials | 257,051.00 |
| Dormitory 2 materials | 272,651.00 |
| Multi-purpose building materials | 74,429.00 |
| Transport, handling and lifting | 25,000.00 |
| Installation, cleaning and commissioning labour | 35,000.00 |
| Subtotal before tax | 664,131.00 |
| Tax at the historical quoted rate of 9% | 59,771.79 |
| Total initial quotation including tax | 723,902.79 |
664,131 × 9% = 59,771.79; 664,131 + 59,771.79 = 723,902.79. The historical tax rate is not a tax determination for a new project.
Selected equipment line prices
| Equipment | Qty | CNY per unit | CNY total |
|---|---|---|---|
| KFXRS-43II/CY | 7 | 35,600 | 249,200 |
| CRL-455-15 | 7 | 7,500 | 52,500 |
| CRL-455 | 43 | 4,500 | 193,500 |
These lines are included in the material subtotals and are not the whole system cost. Tax is listed separately in the original summary. These are not current tax-inclusive installed prices.
Before requesting a similar system
- Confirm per-building peak demand, water temperatures and storage requirements.
- Confirm pressure conditions, safety devices, return circulation, controls and maintenance access.
- Define transport, installation, cleaning, commissioning, pipework, power connections and taxes in the quotation scope.
Source and limits
Anonymized summary of the company initial quotation dated 21 July 2022, PDF pages 5–15; equipment on pages 5, 8–9 and 12, cost summary on page 14. Original contracts, client drawings, signatures and personal records are excluded. This is not an award announcement, an as-built schedule or a performance test.