The Certificate was issued on the 8^th of December 2006. This certificate confirms that products – sheet glass of  М1, М2, М3, М4 grades – were tested and meet all obligatory requirements set in DS TU B V.2.7-1222003 (GOST 111-2001) "Sheet glass.Technical requirements" subclause .4.4 – geometrical parameters, 5.1.1 - optical distortions, 5.1.2 – number and dimension of permissible defects, 5.1.3 -  direct light transmission factor, 5.1.4 - residual internal voltage, 5.1.5 - water resistance.

The certificate shall apply to sheet glass of  М1, М2, М3, М4 grades, which is manufactured serially from 28.11.06 to 28.11.08.

The Certificate was issued on the 15^th of June 2007. This certificate confirms that products – safe sheet glass according to the appendix №№ GЕ 229417, GЕ 229418, GЕ 229419, GЕ 229420, GЕ 229421, was tested and meet all obligatory requirements  of  GОСТ 5727-88 "Safe glass for on-land transport. General technical requirements" and ТU U 26.1-31380846-003-2002.

The certificate shall apply to safe sheet glass which is manufactured serially from 11.06.07 to 11.06.09.

The Certificate was issued on the 26^th of October 2006. This certificate confirms that products  - furniture mirrors correspond to the requirements of GOST 17716-91 "Mirrors. General technical requirements " and TU  U21-124-97 subclause  1.4.5 - firmness  of protected cover, 1.4.11 - defects.

The certificate shall apply to furniture mirrors, which are manufactured serially from 26.10.04 to 17.10.08.