Detailed description of the standard 10 Buyun professional manufacturer of foam (the original level of Wuyi County Purple Tower Instrument Factory), founded in 1970, restructuring in 1982, renamed in 2003 as a professional manufacturer of foam Buyun standard, factory technical force, with advanced production equipment and rich experience in production enterprises. Specializing in bubble level development, production and sale of products, including ordinary type blisters, blisters compartment type, compensation type blisters, blisters round glass, metal circular blisters, blisters electronics, electronic compensation, such as three hundred kinds of plastic blister specific varieties, angle values ??from 60'2mm --- 2''/ 2mm products are widely used theodolite, a level, compass, electronic scales, total station and other optical instruments. Plant 30 years, continuing to explore, research, innovation and commitment to develop new products, modern technology and traditional production process of new combination products, whether in appearance or internal quality has a major breakthrough. Factory pursue "good faith, the user first" business philosophy, in the GB1146-89, based on high international standards with strict demands on themselves, each process has a strict quality management system. Excellent quality, competitive price and high quality customer service has won widespread praise for the domestic state-owned, foreign-funded enterprises supporting the production of designated products are also exported to Europe and South Korea and Japan more than twenty countries and regions. 00 words or less