Which one is better for UL certification?

Companies that have obtained UL certification include Youer International, Guangzhou Hongnuo Electronic Technology Co., Ltd., Shenzhen Yibo Technology Co., Ltd., Shanghai Aien Wire and Cable Co., Ltd. and Suzhou Yi Jie Xin Product Quality Consulting Co., Ltd., as follows:

(1) Youer International

Youer International focuses on UL certification. We are willing to provide all-round technical consulting services of "one step in place, faster and better" for customers of various production enterprises.

(2) Guangzhou Hongnuo Electronic Technology Co., Ltd.

The UL safety certification of Guangzhou Hongnuo Electronic Technology Co., Ltd. adopts the fourth certification mode: sample type+follow-up inspection+market spot check. UL's factory inspection is called follow-up inspection service. As long as the sample has completed the type test, the subsequent process will be the subsequent inspection service.

(3) Shenzhen Yibo Technology Co., Ltd.

Shenzhen Yibo Technology Co., Ltd. is a company providing supply and marketing information. What does ul certification mean/is UL certification mandatory? Introduce the meaning of ul certification/Is UL certification mandatory? Product price, manufacturer and wholesale information to help you better understand UL certification.

(4) Shanghai Ain Wire & Cable Co., Ltd.

In the UL certification of Shanghai Ain Wire & Cable Co., Ltd., UL classifies products into L category and R category from the perspective of factory inspection. Class L services are mainly used for products related to life safety, such as fire extinguishers, smoke detectors, fire doors and some products with considerable output, such as wires and lamps.

(5) Suzhou Yi Jie Xin Product Quality Consulting Co., Ltd.

Suzhou Yi Jie Xin Product Quality Consulting Co., Ltd. uses UL mark in different ways for L-type or R-type products. For R-type products, UL requires the factory to screen-print, mold-print, print or etch the UL logo on the products without purchasing UL labels.