Chinese Military different processes - Pinus sylvestris 
 Pinus sylvestris material fine, straight grain, anti-corrosion treatment, can effectively prevent mold, termites, termite invasion of microorganisms, can effectively inhibit the processing of wood moisture content changes, to reduce cracking of the wood to make wood life expectancy to 40 to 50 years. Pinus sylvestris is mainly distributed in the summer and cold in winter and cool climatic conditions are suitable precipitation, China's Heilongjiang Mountains, west part of Inner Mongolia Hailar Xiaoxing'anling northern mountains and the distribution of Pinus sylvestris in Russia rich in natural resources, preservation of China's timber import business major base . Pinus sylvestris wood preservative preservative business in China from imported logs, their preservative treatment produced, affordable, wood preservative market in China is currently popular.