National quality is supervised examine quarantine total bureau 2002 the 3rd quarter tasted quality to undertake the country is supervised to the yield of aggrandizement wood floor selective examination. Press regulation of national quality standard: Free formaldehyde releases L of ／ of anti-cracking flower box wall the 1.5mg that measure ≤ ; Exterior wear-resisting revolution, family expenses qualification tastes ≥ 6000 turn. Selective examination

52 kinds of products that 52 companies that involve the city of administer of 13 Cheng Zhi such as Beijing, Shanghai, Guangdong produce, 80% is domestic scale insects resistant lattice fencing of production bigger and have certain and famous the product of spent company and entrance product, 50% of enterprise be selectivinged examination. But individual index is uneven: Formaldehyde releases capacity index to be worth the product that reachs

international E1 level to have 51 kinds, occupy selective examination 98.1% of sum of products; But value of exterior wear-resisting index is achieved deck seats with back panel public product of used aggrandizement wood floor has 19 kinds, occupy selective examination 36.5% of sum of products; Manage changes function index value to achieve classy product of tasted aggrandizement wood floor has 35 kinds, occupy selective examination 67.3% of sum of