About 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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World-Class Team
Graduates from top universities worldwide
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Advanced R&D
Self-developed
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Innovation Focus
Multiple innovative technologies

Our Products

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Grounding box

Grounding box

Model: 35kV, 66kV, 110kV and 220kV
Parameters: 4407420723

Aluminum-Magnesium Alloy Protection Housing

Aluminum-Magnesium Alloy Protection Housing

Model: 10kV/35kV/110kV
Parameters: 7207629990

Various metal protective housing, waterproof & explosion-proof housing

Various metal protective housing, waterproof & explosion-proof housing

Model: 3859809792
Parameters: 1913961508

Explosion-Proof Blanket

Explosion-Proof Blanket

Model: 1329210506
Parameters: 6924308910

Environmentally Friendly Polyurethane Sealant

Environmentally Friendly Polyurethane Sealant

Model: J-399/J-499/J-699
Parameters: 3390490884

Oil-Immersed Transformer

Oil-Immersed Transformer

Model: S11-M,S13-M,S20-M,S22-M
Parameters: 5924120813

Heat Shrink Termination

Heat Shrink Termination

Model: SY10kV /SY26kV /SY35kV
Parameters: 2795854104

Separable Connector

Separable Connector

Model: DS/SC
Parameters: 9542332572

Separable Connector DS/SC 8.7/10kV 630A European Type Rear Arrester

Separable Connector DS/SC 8.7/10kV 630A European Type Rear Arrester

Model: DS/SC
Parameters: 0329588850

Cold Shrink Termination

Cold Shrink Termination

Model: 818085163X
Parameters: 4293053328

Cable Lug

Cable Lug

Model: DT / SC
Parameters: 8383729243

Cold Shrink Intermediate Joint

Cold Shrink Intermediate Joint

Model: 1157067212
Parameters: 4705809890

Company Gallery

Certifications & Awards

MSDS
MSDS
ISO 9001
ISO 9001

Success Stories & Case Studies

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

Location: 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

Location: 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

Location: 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.

Location: AL 📦 Quantity: 1087 pcs,32 cartons

Company & Product Videos

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Company Introduction & Factory Tour

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Product Demonstration - Kestrel K-1

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Technology Innovation Showcase

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Customer Testimonials & Success Stories

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