Lexel gained CE attestation 2000.
"CE" is a kind of symbol for security and is regarded as a passport that manufactures can open and enter the European market. The products marked with "CE" can be sold in Europe and need not to suit the request of every country in Europe. In the country of Europe, the products can circulate freely.

Lexel first gain at the beginning of 1999
ISO9001 series criterion is Quality Management and Quality Assurance committee (TC176) issued in 1987. ISO9001 quality system is a kind of quality assurance system, including design, research, production, installation and service.

YINYOO gained UL attestation in Oct, 2005.
UL is shortened from Underwriter Laboratories Inc. UL Laboratory is the most authoritative institution in the world, and also a very biggish non-governmental organization in the field of security test and appraisal. It is independent, non-profit and professional institution that performs the test for the public security.UL is mainly concerned with production attestation and business security certification. The purpose of UL is to ensure products are safe for public use .

YINYOO has become a Member of RBRC in 2002.
RBRC is organized by Rechargeable Power Supply Trade as an international non-profit public service organization. the tenet is to promote the recycling of Ni-CD batteries that used in consumer products such as mobile phone, portable camera, power tool etc. the public education activities and battery recycling plan of RBRC is to save natural resources and to prevent Ni-CD battery from poisoning the envoironment as a solid scrap.

Since November, 2004, YINYOO products have met the standard of EU 98/101/EEC that batteries can not contain harmful substance and the prohibited substances are not allowed to be used in YINYOO factory area.
RoHS (Restriction of Hazardous Substances) is a new certification put forward by CQC to help enterprises comply with the "Instruction of Prohibiting the Application of Poisonous and Harmful Substances" that issued by EU