What certifications does the product hold?

The product holds RoHS, ISO, CE, CCC, AHRI, CRAA, and CNAS certifications, ensuring compliance with international and local standards.

What is the operating voltage range?

The operating voltage is 460 VAC or 380/400 VAC, with a power supply of 380V 3N~ 50Hz.

What are the main application fields for this chiller?

The chiller is suitable for various application fields including food processing and aerospace industries.

Fan Coil Unit Spring Return Valve

Name: Fan Coil Unit Spring Return Valve
Brand: Dongying Qinghua Trading Co., Ltd.
SKU: 1930465612

Shandong, ChinaDongying Qinghua Trading Co., Ltd.

US$40,450.00

1 Piece

Product profile

Customization

Available

After-sales Service

Maintenance Services Available, 5 Years

Warranty

5years, 5 Years

Model NO.

TWSF-DC20115.1

Type

Chiller

Air Tube Material

Plastics, Galvanized Sheet

Corrosion Durability

Ultrahigh

Operating Voltage

460 VAC, 380/400 VAC

Noise Level

Low

Application Fields

Food Processing, Aerospace

Mounting

Ceiling Mount, Floor Standing

Lifetime

15~20 Years, >20 Years

Certification

RoHS, ISO, CE, CCC

Condition

New

Transport Package

Packing in Wooden Boxes

Specification

3787*2250*2420

Trademark

Tica

Origin

China

HS Code

8415102100

Production Capacity

50000/Year

Key features

Advanced Heat Transfer Design: Features ultra-efficient double-sided enhanced tubes and patented hydrophilic aluminum foil for superior cooling and heating.

Smart Remote Control Capability: Equipped with RS485 interface and MODBUS protocol, enabling WiFi remote control for convenient management.

High-Efficiency Semi-Closed Compressor: Utilizes German semi-closed twin screw compressor with 25%-100% energy adjustment for optimal performance.

Robust Certification Standards: Holds AHRI, CRAA, CNAS, RoHS, ISO, CE, and CCC certifications ensuring high quality and safety.

Flexible Customization Options: Offers full customization, minor customization, and flexible customization from samples or designs.

Optional Hydraulic Module: Available with built-in hydraulic module including pumps, expansion tanks, filters, and safety valves.

Durable Construction: Constructed with plastics and galvanized sheet, offering ultrahigh corrosion durability and a 15-20 year lifetime.

Company profile

High Repeat Buyers ChoiceYears of Export Experience3D Software DesignStandardized quality control

Dongying Qinghua Trading Co., Ltd.

Shandong, China

Business Type: Manufacturer/Factory CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 26 Years CertifiedNearest Port: Qingdao PortAverage Response Time: ≤3.34h CertifiedTerms of Payment: LC, T/T

AI-Powered supplier vetting

SummaryQinghua appears to be an HVAC trading, design, installation, and service supplier focused on energy-saving heat pumps and large-scale air-conditioning equipment. It reports more than 58 employees, including HVAC engineers, after-sales personnel, installation staff, and service vehicles, supported by stated design, installation, maintenance, and complaint-handling procedures. The supplier holds CE certification and reports in-stock capacity, but no overseas warehouse, showroom, agent, or branch capability. Customization is offered across several formats, while the supplier states that it had no new products in the past year, provides no ODM service, and has no SDK. Quality assurance and supplier-management procedures are documented, but raw-material traceability is absent. Its financial records are referenced for 2022–2024, although the provided information does not disclose substantive financial performance. Customer experience is supported by projects reportedly distributed throughout Dongying since...

Supplier typeThe supplier operates in HVAC-related trading, design, installation, maintenance, and after-sales services, with products including ground-source heat pumps and large-scale central air-conditioning equipment. Its reported workforce and service resources indicate an integrated HVAC service provider rather than a narrowly defined product-only supplier.

CertificationsThe supplier reports holding CE certification. However, no additional certifications are identified in the provided information.

After-Sales capabilityThe supplier reports 10 professional after-sales personnel, 10 after-sales service vehicles, a sound maintenance and after-sales system, complaint-handling procedures with records, and documented corrective and preventive action procedures. It lacks overseas warehouses, showrooms, agents, and branches, which limits demonstrated overseas service coverage.

R&D capabilityThe supplier states that it promotes a transition toward high-tech, energy-saving, and environmentally friendly industries and offers design-related customization. However, it reports no new products in the past year, no ODM service, and no available SDK, indicating limited demonstrated recent product-development capability.

Customization capabilityThe supplier explicitly offers customization from samples, full customization, customization from designs, minor customization, and flexible customization. Its stated design team and ability to provide personalized design solutions further support a strong customization offering.

Client casesThe supplier states that projects have spread throughout Dongying since 2000, demonstrating a long local project history. No named customers, project quantities, or independently verifiable case details are provided, so the breadth and quality of its customer cases remain only partially assessable.

Product Q&A

Q:What is the warranty period for the chiller?

The whole chiller is covered for 1 year, and the compressor is covered for 3 years. During the first year, parts replacement and repair services are provided for non-human quality issues. After the first year, these services are available at the user's expense.

Q:What are the available customization options?

We offer full customization, minor customization, flexible customization, customization from samples, and customization from designs to meet specific needs.

Q:What is the delivery time after placing an order?

Delivery is within 35 days after receiving the deposit. The average lead time is within 15 workdays for both peak and off-season periods.

Q:What payment terms are supported?

We support T/T (Telegraphic Transfer) and L/C (Letter of Credit). A 1% discount is available if the full amount is paid in one lump sum.

Q:What is the minimum order quantity (MOQ)?

The minimum order quantity is 1 piece.