The reporter was informed on July 5, 2011 that the NB/SH/T 0849-2010 “ Automotive Air Conditioning Synthetic Refrigerated Oil †drafted by Great Wall Lubricants, which lasted for more than two years, has been approved by the National Energy Administration and was recently implemented, and has been standardized in a timely manner. The behavior of the automotive air-conditioning synthesis refrigeration oil industry meets the needs of domestic automotive air-conditioning and refrigeration oil manufacturers, and provides technical basis for user selection of oil. This standard is mainly led by the relevant technical forces of Sinopec Lubricant Chongqing Branch, marking that Great Wall Lubricating Oil has taken a new step in coordinating with relevant state departments in regulating industry behavior, demonstrating Great Wall Lubricating Oil in Synthetic Lubricating Oil Technology. On the leading position. NB/SH/T 0849-2010 "Automobile Air Conditioning Synthetic Refrigerated Oil" standard was drafted by the branch company according to the requirements of the 37th item of petrochemical industry issued by the National Development and Reform Commission of the People's Republic of China [2006] No. 1093. It is widely used in the domestic automotive air conditioning compressor with refrigerant R134a. The introduction of this standard has changed the country's product standard for synthetic compressor oils for automotive air-conditioners. It is unable to adapt to the current state of development of synthetic compressor oil products for automotive air-conditioners, and to better control the quality of refrigerating machine oil products and meet the requirements for the use of equipment. The rapid development of China's auto industry provides better technical support. Aluminium Construction Profiles
Aluminium construction profiles are a type of aluminum material used in buildings. It has the characteristics of lightweight, corrosion resistance, high strength, and easy processing, and is widely used in building frames, doors and windows, curtain walls. Aluminium construction profiles are usually made of aluminum alloy, with common alloys such as 6061 and 6063. These alloys have excellent strength and corrosion resistance, making them suitable for various building environments. Aluminium construction profiles have good plasticity and can be customized according to design requirements to meet the needs of different buildings. This aluminium profiles also have good recyclability and meet the requirements of sustainable development.
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