The company manufactures and exports sawn timber from pine and larch GOST 26002-83, GOST 26002-83e, GOST 8486-86, of a transport (18-22%) and natural moisture. (primary source http://www.russianlumber.com/grading_rules.htm)
You can find more information by downloading this file (Rough lumber of coniferous species. Interpretation of Russian export grading rules in accordance to GOST 26002-83)
Refer all questions: klm@online.ru (Rzheneckiy Bogdan)