Xin Sifang Testing (NTC) is a professional testing service organization dedicated to obtaining domestic and international certifications for Chinese enterprises. It is the most professional lighting product testing service provider in China and can provide global safety and energy efficiency certification services for lighting products.

We are an EPA accredited laboratory and NVLAP (LAB CODE=600150-0), which can help your lighting products obtain Energy Star more efficiently ® Energy efficiency certifications such as logos and DLC accreditation are in line with North American market access and enhance market competitiveness.
With the increasing attention of North American consumers to global climate change and high energy consumption costs, the demand for low-energy and zero pollution electronic products in the market is also growing rapidly.
The DLC (Design Lighting Consortium) is a collaborative organization between utility companies and regional energy efficiency organizations, leading the way in certifying the quality and performance of energy-efficient lighting. DLC is a voluntary energy efficiency program initiated by the Northeast Energy Efficiency Partnerships (NEEP) in the United States, aimed at improving the energy efficiency of commercial building lighting.
Professional accredited energy efficiency testing laboratory

Energy Star testing laboratory recognized by the US EPA

NVLAP (LAB CODE=600150-0) accredited laboratory in the United States
Our lighting product energy efficiency testing laboratory has complete instrument equipment and a senior engineering team. With rich project experience, we have formed a complete service system and have obtained authoritative accreditation qualifications

EAP accredited Energy Star Testing Laboratory (EPA ID # 1139582)

NVLAP(LAB CODE=600150-0)

DLC, Lighting Facts accredited laboratory
The test report we provide can be widely used in the North American market and has successfully helped hundreds of LED manufacturers obtain energy efficiency certifications such as Energy Star, DLC, Lighting Facts Label, etc. for their products.
Service advantages:
⇒ Convenient testing in local laboratories, widely recognized in the North American market
⇒ Testing and reporting can be completed within a week at the earliest, except for long-term testing projects
⇒ Energy Star CB audit can be completed within 3 working days at the fastest
⇒ Both North American energy efficiency and EU energy efficiency can be tested
Product range:
DLC mainly includes high-performance commercial solid-state lighting fixtures that are not covered by the Energy Star standard, and products that are already within the Energy Star range are no longer recognized. Including: LED panel lights, LED line lights, LED corn lights, LED grille lights, LED tubes, LED wall lights, LED street lights, LED mining lights, LED floodlights, LED garage lights, LED replacement parts, etc.