按照国家技术监督局的有关规定（In accordance with the relevant provisions of the State Bureau of Technical Supervision）.doc

按照国家技术监督局的有关规定（In accordance with the relevant provisions of the State Bureau of Technical Supervision） Rosewood category: red sandalwood, rosewood, incense sticks of wood, black wood, rosewood, ebony, striped wood, wooden wings Redwood introduction Rosewood: subtropical regions, such as India, Southeast Asia, Yunnan, Guangdong and Guangxi are small Production. Wood luster, with aroma, long exposure to the air after the change of purple brown, and the arts staggered, compact structure, corrosion resistance, durability, material hard, heavy and delicate. Red sandalwood grows in tropical jungle, because of the material of exquisite, slow growth is a hundred years of growth of an inch of hardwood, hundreds of years can not become useful, and rosewood ten Tan nine empty volume ratio is very low, so it is very valuable, since ancient times, said Tan Cun.. Is the rare treasures of red sandalwood wood was known as the king of. Is a redwood in the boutique, the growth period of about 500 years, purple and good wood, and old purple, wood and new rosewood. Old rosewood is purple black, flooding does not fade, the new rosewood brown, red, dark red or dark purple, flooding will fade The market price is from 400 thousand yuan to 1 million yuan per ton. Huanghua pear: it is a rare and precious tree species in china. Wood shiny, with a spicy taste; liberal and staggered arts, the structure of thin and uniform, resistant to decay. Durable, material hard, heavy and high strength. Taboos to avoid in Huanghua pear maintenance 1., do not place heavy pressure on the surface of Huanghua pear products, or mix with key and other hard objects, so as to avoid distortion and distortion of rosewood. 2., do not casually wipe with wet cloth or rinse pear products with water, avoid smearing with chemicals. Still can not use alkaline water, alcohol and other corrosive chemicals to wipe Huanghua pear, In order to avoid damaging or damaging wood fibers. 3. do not use the so-called Royal salt substan