July 15th, 2014, Loyalty Enterprise Development (Xinyang) Co.,Ltd won the GREENGUARD Indoor Air Quality Certification and GREENGUARD Children &Schools Certification (also known as Gold ), became one of the few quartz manufacturers which passsed this certification . It means that L&E quartz surfaces are allowed to sold to the international market , and use in schools, hospitals, etc. as the environmentally friendly interior materials.

GREENGUARD Certification,is the International authoritative and impartial third-party certification, provided by Greenguard Environmental Institute(GEI). GREENGUARD Environmental Institute (GEI), is the standard-setting body authorized by USA National Standards Association (ANSI) , USGBC members, LEED scoring system for certification.The products which are GREENGUARD certified can be proved to comply the world's most authoritative indoor air quality certification test.