What is the after-sales service policy?

Based on ordering quantity, we provide free spare parts or controllers for maintenance/replacement and offer technical training.

How can I trust your company?

We have been manufacturing and selling pump control panels for 15 years, and many suppliers from China and overseas use our controllers.

Where is your location and how to reach you?

We are located in Changsha. It takes 1 hour by air or 2.5 hours by high-speed train from Guangzhou, and 1.5 hours by air from Shanghai.

Duplex Pump Controller (L922-S) for Industrial Plants

Name: Duplex Pump Controller (L922-S) for Industrial Plants
Brand: Hunan Leading Science & Technology Development Co., Ltd.
SKU: 734146512

Hunan, ChinaHunan Leading Science & Technology Development Co., Ltd.

US$100.00-121.00

10 Pieces

Sample price:US$123.00/piece.Request sample

Product profile

Customization

Available

Task

Program

Structure

Closed-Loop

Model NO.

L922-S

Mathematical Model

Linear

Signal

Continuous

Function

Automatic Control

Certification

ISO: 9001, CE

Condition

New

Customized

Material

ABS

Transport Package

Carton

Specification

small size

Trademark

Leading or neutral

Origin

China

HS Code

9032899090

Production Capacity

10000 Sets Per Month

Key features

Cost-Effective Sensor Replacement: Replaces 5 water level sensors or 3 float switches, significantly reducing purchasing and maintenance costs.

High Reliability & Safety: Uses level transmitters to avoid failures caused by sludge, ensuring more secure operation than traditional sensors.

Customizable Water Levels: Different water levels for starting or stopping pumps can be set directly via the LCD screen in real time.

Smart Pump Alternation: Automatically alternates between main and standby pumps and switches against malfunction to extend pump life.

Comprehensive Protection Functions: Includes overload, stall, dry run, under/over voltage, and repeat start protection for complete pump safety.

Real-Time Monitoring & Control: LCD displays dynamic depth, running status, fault records, and cumulative time with RS485 remote monitoring support.

ISO Certified Quality: Manufactured under ISO 9001 standards with strict quality control from raw materials to finished products.

OEM/ODM Customization: Accepts OEM and ODM orders with dedicated engineering team support for customized solutions.

Company profile

Importers and ExportersHigh Repeat Buyers ChoiceYears of Export ExperienceExperienced Team

Hunan Leading Science & Technology Development Co., Ltd.

Hunan, China

Business Type: Manufacturer/Factory, Trading Company, OtherExport Year: 2005-06-08Nearest Port: Ningbo, Shanghai, GuangzhouAverage Response Time: ≤8.20hTerms of Payment: LC, T/TInternational Commercial Terms(Incoterms): FOB, CFR

AI-Powered supplier vetting

SummaryThe supplier is identified as Hunan Leading Technology Development Co., Ltd., a professional technology provider focused since 2001 on intelligent pump controller production, R&D, global sales, and after-sales service. It provides 3D software design, ODM/OEM, and multiple customization options, supported by documented inspection, corrective-action, complaint-handling, quality-assurance, and traceability procedures. Export experience is stated at 18 years, with exports representing 21%–30% of sales, and standard peak- and off-season lead times within 15 working days. However, the supplier has no available SDK, reported no new products in the past year, lacks overseas agents, branches, warehouses, and showrooms, and has no valid manufacturing-capacity contract with its factory and related subcontractors. Evidence is insufficient for certification holding, financial credibility, and customer cases.

Supplier typeThe supplier is Hunan Leading Technology Development Co., Ltd., described as a professional technology supplier focused on pump control and protection solutions, including production, R&D, global sales, and after-sales service. Its company type is recorded as “Combined,” but the exact legal classification is not further explained.

After-Sales capabilityThe company states that it provides after-sales service, maintains in-stock service capacity, and has documented procedures and records for complaint handling, corrective and preventive actions, quality assurance, and traceability. However, it has no overseas agents or branches, no overseas warehouse, no overseas showroom, and reports zero countries with overseas services, limiting demonstrated international after-sales coverage.

R&D capabilityThe supplier is identified as a professional R&D technology supplier and provides 3D software design and ODM services. Nevertheless, it has no available SDK and reported no new products during the past year, so the evidence supports design and development capability but indicates limited recent product innovation.

Production capacityThe supplier reports production operations, documented finished-product inspection procedures, in-stock capability, 18 years of export experience, and lead times within 15 working days in both peak and off seasons. A material control weakness is that the factory and related subcontractors have no valid manufacturing-capacity contract; overseas warehousing is also unavailable.

Customization capabilityThe supplier explicitly offers customization from samples, designs, full customization, minor customization, and flexible customization, together with 3D software design and ODM services. It also reports OEM capability for well-known brands, providing direct evidence of broad customization and design-manufacturing support.

Client casesThe supplier states that it provides OEM services for popular brands, which indicates experience serving recognized-brand customers. No specific customer names, projects, products, or verifiable case details are provided, so the depth and quality of customer cases cannot be fully assessed.

Product Q&A

Q:Can I get samples for testing?

Yes, we can send you samples for testing. Please contact us for details.

Q:What is the delivery time for standard and non-standard panels?

For standard pump control panels, it usually takes about 7 working days. For non-standard ones, it takes 15-20 days.

Q:Do you accept OEM or ODM orders?

Yes, we have our own engineering team and accept OEM and ODM, but there is an ordering quantity requirement.

Q:How do you ensure product quality?

Our production process follows ISO standards, controlling quality from raw materials to finished products. Each panel is fully assembled and strictly tested before shipping.

Q:What is the designed life time of the control panel?

The designed life time of the control panel is 8 years.