Sobre nosotros Tonyhoo Cable Accessories

Ningbo Tonyhoo Electrical Technology Co., Ltd.,founded in 1997, is a national high-tech enterprise, member of China Electricity Union, member of Ningbo Science and Technology Association, director of Science and Technology Innovation Association.Tonyhoo introduced a new material project in 2020, invested in the establishment of a new material laboratory and professional talents, and applied for the Municipal Engineering Center. We fully rely on customer needs and combine market feedback to ensure the industry application of research and development results and convert them into economic value. Enterprises allocate around 6% of their annual research and development funds towards research and improvement.
In 2015, it was rated as a national high-tech enterprise. In 2019, it was rated as an AA level contract abiding and credit worthy unit. In 2020, it was awarded the 2019 Excellent Supplier Quality Award. In 2020, it was rated as a technical cooperation unit. In 2020, it was rated as a director unit of the Ningbo Electrical and Power Industry Association. In 2021, it was rated as an excellent supplier for 2019-2020 and other honors.
On the basis of the original New Third Board, the company established Ningbo Crelence Electric Technology Co., Ltd. and Ningbo Tonylum New Material Technology Co., Ltd. at the end of 2020, radiating from the existing high-voltage cable accessories field to the medium and low voltage and new materials fields, expanding the previously monopolized segmented market again. The two companies gradually completed various qualifications and certifications in 2021, achieving progressive development. Relying on 25 years of market foundation and high-quality reputation in the industry, combined with the advantage of highly overlapping customer groups, the enterprise's output value will achieve growth. And increase innovation investment, complete the transformation of automated workshops, and gradually achieve digitization. Therefore, the plan is to carry out a second stock reform in the next two years and advance towards IP0.
Tonyhoo Company currently holds 12 trademark certificates and over 60 patents. The products are mainly divided into medium and low voltage cable accessories, new materials for power environmental protection, and products related to medium and high voltage explosion-proof protection.Tonyhoo's products have been tested by the State Grid High Voltage Testing Center, SGS, or Shanghai Cable Research Institute and have obtained corresponding reports. After 25 years of deep cultivation and accumulation in the industry, Tonyhoo has gained a certain level of product competitiveness and brand awareness in the cable accessory manufacturing industry. Tonyhoo's current overseas markets include Thailand, the United States, Tunisia, Russia, Saudi Arabia, and others.
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Grounding box

Grounding box

Modelo: 35kV, 66kV, 110kV and 220kV
Parámetros: Cabinet insulation resistance: 5MΩ.
The box body is subjected to impact 37.5kV 10 times and it has not been broken down.
The direct buried box is subject to 0.2Mpa, 30min air tightness test, and there is no leakage.

Aluminum-Magnesium Alloy Protection Housing

Aluminum-Magnesium Alloy Protection Housing

Modelo: 10kV/35kV/110kV
Parámetros: Flammability: Shell B1 grade, sealing gasket V-0 flame retardant.
Impact resistance: Withstands vertical drop impact of a 1kg weight from 2m; no cracks or damage to the housing.
Flexural strength: 127MPa, no fracture or deformation.
Salt water resistance: After immersion in 3% sodium chloride solution for 3 days, no swelling, cracking or interlayer peeling.

Various metal protective housing, waterproof & explosion-proof housing

Various metal protective housing, waterproof & explosion-proof housing

Modelo: DS-FBH (SS)-1,DS-FBH (SS)-2,DS-FBH (SS)-3,DS-FBH (SS)-4,DS-FBH (SS)-5,DS-FBH (SS)-6,DS-FBH (SS)-7,DS-FBH (SS)-8
Parámetros: Flammability: Shell B1 grade, sealing gasket V-0 flame retardant.
Impact resistance: Withstands vertical drop impact of a 1kg weight from 2m; no cracks or damage to the housing.
Flexural strength: 127MPa, no fracture or deformation.
Salt water resistance: After immersion in 3% sodium chloride solution for 3 days, no swelling, cracking or interlayer peeling.

Explosion-Proof Blanket

Explosion-Proof Blanket

Modelo: DS-FBT-10, DS-FBT-35, DS-FBT-110, DS-FBT-220
Parámetros: Combustion performance (outer layer):B1
Tear strength(kN·m⁻¹):≥3.5
Halogen-free and environmental protection:Bromine content<900ppm.Chlorine content<900ppm.Total content of bromine and chlorine<1500ppm.
Breakdown strength(kV·mm⁻¹):≥20
Volume resistivity(Ω-cm):≥1×10¹³

Environmentally Friendly Polyurethane Sealant

Environmentally Friendly Polyurethane Sealant

Modelo: J-399/J-499/J-699
Parámetros: Color:Light yellow
Applicable voltage level:10kV-35kV
Hardness:55A±10
Density:1.55g/m³±0.55

Oil-Immersed Transformer

Oil-Immersed Transformer

Modelo: S11-M,S13-M,S20-M,S22-M
Parámetros: rated capacity: 30–500 kVA
high voltage: 6/10/10.5/11 kV
low voltage: 0.4 kV
vector group: Dyn11/Yyn0
short-circuit impedance: 4%

Heat Shrink Termination

Heat Shrink Termination

Modelo: SY10kV /SY26kV /SY35kV
Parámetros: voltage class: 8.7/10kV, 12/20kV, 19/35kV
cable section: 25–400 mm²
core type: single core / three core
shrink ratio: 2:1
withstand voltage: 39kV / 5min
temperature range: -40°C to 120°C

Separable Connector

Separable Connector

Modelo: DS/SC
Parámetros: Voltage grade:10kV
Rated voltage:15kV
Rated current:630A
1 minute A.C withstand voltage:42kV
15 minutes DC withstand voltage:52kV
Lightning impulse withstand voltage:95kV
Minimum corona onset voltage:11kV
Thermal short-circuit current:22.8kA/2S
Dynamic short-circuit current:80.8kA
Partial discharge:≤10pC

Cold Shrink Termination

Cold Shrink Termination

Modelo: NLS-10/3.3、WLS-10/3.3;NLS-35/1.3、WLS-35/1.3
Parámetros: voltage class: 0.6/1kV
cable section: 10–300 mm²
operating temperature: -40°C to 90°C
material:istance: ≥1×10¹⁴ Ω·cm

Cable Lug

Cable Lug

Modelo: DT / SC
Parámetros: surface treatment: tin plated
range: 10–400 mm²
standard: DIN / GB
working temperature: -40°C to 125°C
feature: high conductivity, corrosion resistant

Cold Shrink Intermediate Joint

Cold Shrink Intermediate Joint

Modelo: JLS-10/1.1、JLS-10/3.3;JLS-35/1.3、JLS-35/3.4
Parámetros: voltage class: 8.7/10kV, 12/20kV, 19/35kV
cable section: 25–400 mm²
operating temperature: -40°C to 90°C

Galería de la empresa

Certificaciones y premios

MSDS
MSDS
ISO 9001
ISO 9001

Casos de éxito

Electricity Generating Authority of Thailand

Electricity Generating Authority of Thailand

Completed connection of multiple underground cable sections, resists erosion from moist underground soil, no leakage or discharge issues since commissioning
Cold-shrink structure requires no open flame for safe construction in underground confined space; robust sealing structure with moisture and soil corrosion resistance

Ubicación: TH 📦 Quantity: 500 units
Electricity Generating Authority of Thailand

Electricity Generating Authority of Thailand

Meets indoor power distribution operation requirements of the substation, stable electric field control, passed grid access test of local power authority
Cost-effective, compact structure, suitable for limited installation space inside substations

Ubicación: TH 📦 Quantity: 1000 units
Electricity Generating Authority of Thailand

Electricity Generating Authority of Thailand

Products passed on-site acceptance in Thailand, operate stably under outdoor high temperature and high humidity conditions without insulation faults, ensuring power supply reliability of distribution network
Adapts to tropical rainy and high salt spray climate with excellent anti-aging and waterproof performance; compliant with IEC standards, easy on-site installation to reduce construction man-hours

Ubicación: TH 📦 Quantity: 1000 units
Power Engineering Contractor

Power Engineering Contractor

Products delivered on schedule. Stable operation after installation, meets local power system requirements.
Combined HV cable accessories and DC lugs solution. Short lead time, reliable electrical performance for European power projects.

Ubicación: AL 📦 Quantity: 1087 pcs,32 cartons

Videos de la empresa y productos

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Introducción a la empresa y tour por la fábrica

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Demostración del producto - Kestrel K-1

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showcase de innovación tecnológica

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Testimonios de clientes y casos de éxito

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