According to the National Standards Committee's letter [2007] No. 21 “Notice on the Second Batch of National Standards Revision and Revision Plan issued in 2007â€, organized by the China Construction Metal Structure Association Building Doors and Windows Components Committee, Jiangyin Haida Rubber & Plastics Co., Ltd. Chemical Building Material Testing Center, Foshan Nanhai Hehexing Industrial Co., Ltd., Changzhou Window Friends Plastics Co., Ltd., Yili Chemical Trading (Shanghai) Co., Ltd., Ningbo Xinandong Rubber & Plastic Products Co., Ltd., and Jinfa City, Fujian Province, China Plastics Co., Ltd. and other organizations drafted the "building doors and windows, curtain wall sealant" national standards, the National Standardization Management Committee was officially released on October 30, 2009 and implemented on April 1, 2010, the standard number It is: GB/T24498-2009.
According to the National Standards Committee Letter [2007] No. 21 "Notice on the Second Batch of National Standards Revision and Implementation Plan for 2007", organized by the China Construction Metal Structure Association Building Doors and Windows Components Committee, Gewu Building Materials (Jinan) Co., Ltd. Sigilia Ophir Window Door Hardware (Beijing) Co., Ltd., Guoqiang Hardware Group Co., Ltd., Qingdao Lixing Young's Door & Window Accessories Co., Ltd., Noto-Frank architectural hardware (Beijing) Co., Ltd., and Beixin Group Building Material Co., Ltd. The company, Dongguan Jianlang Hardware Products Co., Ltd., Foshan Hehe Construction Hardware Products Co., Ltd., China Academy of Building Research, Beijing Jisi Doors & Windows Hardware Products Co., Ltd., and Shanghai Donglian Industry & Trade Co., Ltd. jointly drafted and compiled. The national standard for internal windows of architectural windows was used. The National Standardization Management Committee was officially released on November 15, 2009 and implemented on June 1, 2010. The standard number is: GB/T24601-2009.
According to Jian Biao [2009] No. 89 “Circular on Issuing and Developing the Industrial Standard for the Industrialized Products of the Ministry of Housing and Urban-Rural Development of the Ministry of Housing and Urban-Rural Development of the People's Republic of Chinaâ€, organized by the China Construction Metal Structure Association Building Doors and Windows Components Committee, Qingdao Lixing Yang Door & Window Accessories Co., Ltd., Foshan Hehe Construction Hardware Products Co., Ltd., Sigilia Ophir Window Door Hardware (Beijing) Co., Ltd., Dongguan Jianlang Hardware Products Co., Ltd., Guoqiang Hardware Group Co., Ltd., Doma Door Industry Control & Construction (China) Co., Ltd., Guli Security Products Co., Ltd., National Building Materials Industry Construction Hardware Plumbing Product Quality Inspection and Testing Center, Shanghai Construction Research Institute (Group) Co., Ltd., etc. "Handling" was started in October 2009 and a team has been established. It is expected that the preparation will be completed in 2010.
According to Jianbiao [2009] No. 89 “Notice on Issuing the “Development and Revision Plan of the Industrial Standards for the Centralized Industrial Products of the Ministry of Housing and Urban-Rural Development of the People's Republic of China†in 2009, organized by the China Construction Metal Structure Association Building Doors and Windows Components Committee, Jiangyin Haida Rubber Plastics Co., Ltd., Foshan Hehe Construction Hardware Products Co., Ltd., Ningbo Xinandong Rubber & Plastics Products Co., Ltd., Jinjiang City Fenfa Rubber & Plastic Products Co., Ltd., and National Chemical Building Materials Testing Center participated in the "Building Doors and Windows Composite Sealing Strip". It was started in December 2009 and the establishment team was established. It is expected that the establishment will be completed in 2010.