What are the core advantages of the company?

a. Excellent quality, competitive price b. Rich styles, rapid delivery c. Professional R&D and design team

What kind of supply services do you offer?

We can provide OEM (original equipment manufacturing)

Digital Control Precision Voltage Regulation Electrical Equipment Safety Testing Power Frequency AC Dielectric Withstand Test Set

Name: Digital Control Precision Voltage Regulation Electrical Equipment Safety Testing Power Frequency AC Dielectric Withstand Test Set
Brand: Xianxian Zhonglu Tongda Testing Instrument and Equipment Factory
SKU: 1984898351

Hebei, ChinaXianxian Zhonglu Tongda Testing Instrument and Equipment Factory

US$30,000.00

1-4 Pieces

US$29,500.00

5+ Pieces

Sample price:US$30000.00/piece.Request sample

Product profile

Customization

Available

After-sales Service

Video Guidance

Warranty

Video Guidance

Model NO.

Power Frequency AC Dielectric Withstand Test Set

Type

Electrical Testing Instrument

Accuracy Grade

Control

Computer Control

Input Voltage

AC 220V/400V, 50Hz

Operating Temperature

-40℃-40℃

Relative Humidity

≤85% (at 25℃)

Specifications (Example)

1.5/50: 1.5kVA, 50kv AC Output, 30mA AC Current

Transport Package

Plywood Wooden Box

Specification

450×320×580mm

Trademark

zhonglutongda

Origin

China Hebei

Production Capacity

50000pieces/Year

Key features

Single-Frame Core Structure: Reduces leakage flux and increases winding coupling for stable performance.

AC/DC Dual-Purpose Capability: Can be assembled with capacitors and rectifiers for DC high-voltage testing.

Cascading Voltage Support: Connect two or three units in series to achieve up to 300kV output.

Comprehensive Warranty Coverage: 12-month warranty includes free controller repairs even for non-factory issues.

Video Guidance Support: Provides video training for installation and operation, with optional on-site engineer training.

Full Customization Options: Supports customization from samples, designs, and flexible minor adjustments.

High Precision Accuracy: Features Accuracy Grade 1 for reliable and precise electrical testing results.

100% Quality Inspection: Every product undergoes visual and functional inspection before shipment.

Company profile

Importers and ExportersHigh Repeat Buyers ChoiceQuality Assurance100% Finished Products Inspection

Xianxian Zhonglu Tongda Testing Instrument and Equipment Factory

Hebei, China

CertifiedBusiness Type: Trading Company CertifiedR&D Capacity: ODM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 1 year CertifiedNearest Port: Tianjin PortAverage Response Time: ≤1.59h

AI-Powered supplier vetting

SummaryThe supplier demonstrates broad customization and ODM capability, with new products reported within the past year. Its stated business scope covers wires and cables, mechanical components, environmental equipment, labor protection supplies, fire equipment, communication equipment, software, household appliances, and office supplies. However, service infrastructure is limited: it has no overseas showroom, agents, branches, overseas service coverage, or offline trade-show participation. Quality and supplier-management procedures exist but lack written records, and only one quality assurance/control inspector is reported in one slice, despite another slice stating 41–50 quality-control staff. Financial credibility cannot be established because multiple periods show zero reported revenue, costs, profits, margins, ratios, and cash outflows, while some financial fields are incomplete or inconsistent. Production scale and customer cases are not sufficiently evidenced.

Supplier typeThe supplier’s stated business scope spans multiple product and equipment categories, including wires and cables, mechanical components, environmental protection equipment, communication equipment, software, and office supplies. It also describes laboratory-solution planning and configuration services, indicating a broad, multi-category supplier profile rather than a narrowly defined product specialist.

After-Sales capabilityThe supplier reports no overseas showroom, agents, branches, overseas service countries, or offline trade-show participation. It has procedures for complaints and corrective/preventive action, but no written records, so formal service coverage exists only nominally and international after-sales capability appears limited.

Financial creditReported financial data for multiple periods shows zero operating revenue, costs, profits, gross margins, current ratios, and cash outflows, while the supplier’s annual revenue field is recorded as “-RMB.” These records do not establish financial strength or operating continuity and contain incomplete or inconsistent reporting.

R&D capabilityThe supplier reports new products within the past year, provides ODM services, and has one year of total R&D engineer experience. However, no SDK is available, and the limited stated R&D experience suggests some development capability but not a strongly evidenced innovation infrastructure.

Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, minor customization, and flexible customization. The same broad capability is reported in two slices, providing direct evidence of extensive customization options.

Product Q&A

Q:What equipment do you supply?

We offer metal testing, pile foundation testing, concrete testing, soil testing, cement testing, asphalt testing, rock testing, and other laboratory equipment.

Q:Is your company a trading company or a factory?

Factory + Trade (Integrated), over 10 years specializing in the field of testing instruments.

Q:When will the goods be delivered after placing an order?

Peak season: 5-7 days, Off-season: 3-5 days

Q:How long is the warranty period for after-sales service?

This testing machine is provided with a 12-month warranty service by Zhonglu Tongda. We can help you repair the controller's problems for free, even if the problem is not from our factory. After the warranty period, our professional after-sales service team will provide comprehensive technical support to help customers solve problems encountered when using our products and handle customers' issues and complaints in a professional and timely manner.

Q:How is the service and quality of the product?

During the shipment and delivery of the goods, each product must undergo 100% quality inspection and testing. Regarding product usage training, we provide video training for each product to show how to install and operate. If needed, we can arrange engineers to conduct equipment operation training at the customer's company. These products have been widely recognized and trusted by users.