• Instrument Accessories

HTD-0032EF20

Type: EF20-013201-70 Technical requirements and electrical safety performance: Comply with GB/T 15290-2012 General Technical Specifications for Power Transformers and Filter Chokes for Electronic Equipment. description Specification HTD-0032EF20 Version Ver.1 Date 2026/5/13…
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HTD-0035EF16

Type: EF16-013301 Technical requirements and electrical safety performance: Comply with GB/T 15290-2012 General Technical Specifications for Power Transformers and Filter Chokes for Electronic Equipment. description Specification HTD-0035EF16 Version Ver.1 Date 2026/5/13…
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HTD-0033EE22

Type: M63156300F4-V1.3 Technical requirements and electrical safety performance: Comply with GB/T 15290-2012 General Technical Specifications for Power Transformers and Filter Chokes for Electronic Equipment. description Specification HTD-0033EE22 Version Ver.1 Date 2026/5/13…
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HTD-0013EF20

Type: EF20-004201 Technical requirements and electrical safety performance: Comply with GB/T 15290-2012 General Technical Specifications for Power Transformers and Filter Chokes for Electronic Equipment. description Specification HTD-0013EF20 Version Ver.1 Date 2026/5/13…
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HTD-HD-01

Type: GW5004 Technical requirements and electrical safety performance: Compliant with GB/T 15290-2012 General Technical Conditions for Power Transformers and Filter Inductors for Electronic Equipment and GB 8898-2011 Safety Requirements for…
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HTD-HD-02

Type: HT56500180 Technical requirements and electrical safety performance: Compliant with the technical specifications for components used in electric energy metering equipment – Part 15: Current transformers Q/GDW 11179.15—2023, and JB/T10665-2016…
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Welcome to Huahong

The company’s research and development, production and sales scale ranks among the top in China.

Chongqing Huahong Metering Co., Ltd. formerly known as Chongqing Electricity Meter Factory, the company was established in the 1960s and entered the power metering industry in the early 1980s. It has long been dedicated to the research and development, production and sales of secondary equipment for electric energy measurement. Its main products include smart meters, power transformers and meter accessories.

Our Advantages

We Always Focus on Our Customers

Established a Nationwide Sales Network

Actively expanded overseas markets, and our international business covers more than 20 countries and regions across five continents.

New business development

At the same time, we have laid out new businesses such as new energy metering, environmental protection testing, and distribution network products.

Trustworthy by Customers

With high-quality products and good services, we have earned widespread recognition and trust in the market.

Our Honors

Innovation Is the Driving Force Behind the Company’s Development

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Cases

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Partners

Our customers are our best recommenders