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Why Choose Us

We provide professional optical product testing services (laser product safety testing and performance parameter testing, photobiological safety testing for non‑laser products), as well as energy efficiency testing services (EU ErP energy efficiency testing, US DOE energy efficiency testing, California CEC energy efficiency testing), among others.

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If you have requirements for laser products (laser product safety testing and laser performance parameter testing) and energy efficiency testing (EU ErP energy efficiency testing, US DOE energy efficiency, California CEC energy efficiency, UK energy efficiency testing), please feel free to email us at: admin@ctnt-cert.com

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Shenzhen Zhongwei Testing Technology Co.,Ltd.

By applicable region
Complete EU Energy Efficiency Compliance Solution

Complete EU Energy Efficiency Compliance Solution

Shenzhen CTNT Zhongwei Inspection (CTNT) provides a one‑stop complete EU energy efficiency compliance solution, fully meeting the mandatory requirements of the ErP Directive (2009/125/EC) and the Energy Labelling Regulation (2017/1369), ensuring your products legally enter the 27‑country EU market. We offer end‑to‑end services covering ErP ecodesign assessment, energy performance testing, technical documentation preparation, EPREL database registration, and ongoing market surveillance support. The applicable products cover almost all energy‑related products, including household appliances, lighting products, heating equipment, electronic devices, and more. Backed by CMA/CNAS/IAS accredited laboratories and a team of experts well‑versed in EU regulations, we integrate testing, assessment and registration processes, helping customers save over 40% in management costs and significantly shorten compliance timelines. From compliance planning to ongoing monitoring, we provide you with A‑G energy label registration and 10‑year technical documentation retention services. Choose CTNT – turn the EU‘s most stringent energy efficiency compliance challenges into your competitive advantage in the marketplace.



Complete EU Energy Efficiency Compliance Solution

Complete EU Energy Efficiency Compliance Solution

One‑stop solution covering all EU ErP Directive and energy labelling requirements – from energy efficiency testing and ecodesign assessment to energy label registration. Ensure your products comply and gain market access to the 27 EU countries.

We have deep expertise in the EU energy efficiency regulatory system, helping you precisely meet the world‘s strictest energy requirements and turning compliance challenges into competitive advantages.


I. Core energy efficiency requirements your products must meet to enter the EU market

The EU has the most stringent and systematic energy efficiency regulatory framework in the world. Your products must satisfy all the following conditions before they can be legally placed on the market:

1. ErP Directive ecodesign requirements

  • Regulatory nature: Mandatory

  • Core requirements: Specify ecodesign parameters such as maximum energy consumption, minimum energy efficiency, resource efficiency, etc.

  • Products covered: Almost all energy‑related products

2. Energy label registration

  • Regulatory nature: Mandatory

  • Core requirements: New A‑G label system; products must be registered in the EU product database

  • Products covered: Household appliances, lighting, heating equipment, etc.

3. Technical documentation preparation

  • Regulatory nature: Mandatory

  • Core requirements: Technical documents including product energy data and test reports must be kept for 10 years for inspection

  • Products covered: All products subject to the ErP Directive


II. Our EU energy efficiency service portfolio

1. Core compliance services

  • ErP conformity assessment

  • EPREL energy label registration

  • Technical documentation preparation guidance
    Meet the most basic and mandatory legal requirements for market access – avoid product detention or recall.

2. Testing & verification services

  • Energy performance testing

  • Ecodesign parameter verification

  • Durability testing
    Provide data support for ErP conformity assessment and ensure compliance with annex requirements.

3. Market surveillance support

  • Label compliance review

  • Document maintenance and updates

  • Regulatory change alerts
    Ensure ongoing product compliance and respond to market surveillance authority inspections.

Shenzhen CTNT Zhongwei Inspection (CTNT) offers full‑process one‑stop services – you can combine them as needed!


III. Core EU energy efficiency regulatory framework

All our services strictly follow the following regulations and standards:

1. Framework regulations

  • ErP Framework Directive (2009/125/EC)

  • Energy Labelling Regulation (2017/1369)

2. Product‑specific implementing measures

  • Household appliances: Implementing regulations for air conditioners, washing machines, refrigerators, etc.

  • Lighting products: Ecodesign requirements for light sources and separate control gears

  • Heating equipment: Energy efficiency requirements for space heaters, water heaters, etc.

  • Electronic equipment: Standby/off mode power consumption requirements

3. Database system

  • EPREL database: Product registration system for energy labels


IV. Our service process

(1) Compliance planning – Analyse the product category and determine applicable implementing measures and energy class requirements.

(2) Testing execution – Conduct energy efficiency tests in a professional laboratory to obtain compliant data.

(3) Assessment & registration – Complete conformity assessment and register energy labels in the EPREL database.

(4) Document delivery – Prepare complete technical documentation and deliver the Declaration of Conformity.

(5) Ongoing monitoring – Provide regulatory update alerts, document maintenance and after‑sales support.


V. Why choose our EU energy efficiency service?

1. Regulatory expertise – Our expert team has in‑depth knowledge of the ErP Directive and product‑specific implementing measures. We anticipate and avoid potential compliance risks.

2. One‑stop integration – Testing, assessment and registration are integrated internally to ensure seamless coordination, saving over 40% in communication and management costs.

3. Extensive success stories – We have successfully helped hundreds of brands enter the EU market smoothly and efficiently.

4. Cost‑effectiveness – Through rational test plan design, we avoid unnecessary duplicate testing and offer the most cost‑effective compliance solutions.

5. Proactive alerts – We continuously track EU energy efficiency policy trends and provide forward‑looking compliance advice.

Shenzhen Zhongwei Inspection – Energy Efficiency Compliance Center – providing one‑stop testing and certification solutions for your energy‑efficient product market access to the EU.


VI. Accreditations and frequently asked questions

1. Accreditations
Our laboratory holds CMA, CNAS and IAS accreditations.

2. Frequently Asked Questions

Q: How long does the EU energy label registration process take?
A: EPREL database registration typically takes 2‑4 weeks when test data is complete. However, initial testing and assessment times vary depending on product complexity.

Q: Which is the highest class in the new A‑G energy label system?
A: Class A is the highest and Class G the lowest. The new label has eliminated the previous A+++ and A++ classes, returning to a simple A‑G scale.

Q: How long must technical documentation be kept?
A: Under EU regulations, technical documentation must be kept for 10 years from the date the last product of a model is placed on the market.

Q: Does a product design change require re‑certification?
A: Yes. Any design change that may affect the product‘s energy performance requires re‑assessment, and the energy label and registration information must be updated if necessary.


VII. Schedule your test

EU energy efficiency regulations are complex and constantly evolving. Let our professional team guide you.

Choose us and make compliance your competitive advantage.

Email us now for your EU energy efficiency compliance solution and quote.


Core Advantages
  • Specialized Laser & Energy Efficiency Testing Labs

    Equipped with 10+ dedicated labs — including consumer/medical/industrial laser labs, beam performance, spectral, pulse, and electrical safety labs — we cover a full range of laser safety and performance parameters (wavelength, power, divergence, pulse energy, beam quality, etc.).

  • Globally Recognized Accreditations

    Holding CNAS (ISO/IEC 17025), U.S. IAS, and CMA certifications. Our testing complies with IEC 60825-1, EN 60825-1, FDA 21 CFR 1040.10, GB/T 7247.1, and major energy efficiency programs (DOE, CEC, ERP).


  • One-Stop Compliance & Market Access

    From product testing and technical document review to certification application and energy efficiency label registration (US DOE, CEC, EU ERP) — we streamline your path to global markets.

service network

We are ready to respond promptly to your needs and provide professional services.