On July 6, 2015, Beijing Research Institute of Sinopec Lubricating Oil Co., Ltd. received the vehicle basic material technology approval certificate from the Technical Center of China FAW Co., Ltd. Great Wall CF-4 5W-40 diesel engine oil, 80W/90 GL-4 vehicle gear oil, 85W/90 GL-4 vehicle gear oil, 75W/90 GL-5 vehicle gear oil, 80W/90 GL-5 vehicle gear oil, 85W/90 GL-5 vehicle gear oil, automotive windscreen cleaner (V type), automotive windscreen cleaner (VII type), engine coolant (FD-35), engine coolant (YF-35 ), All-weather car universal lithium-based grease, HP-R grease, 4529 refrigerant oil No. 46 a total of 13 kinds of technical recognition.
Active heat sinks utilize the computer's power supply and may include a fan. Sometimes these types of heat sinks are referred to as an HSF, which is short for heat sink and fan. There are also liquid cooling systems, which have become popular in recent years.
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The material used partly determines the extent of thermal conductivity. Copper and aluminum are the most widely used materials, though aluminum is the more common choice because copper is more expensive and heavier. Aluminum 6061 and 6063 are widely used with a thermal resistance of 166 and 201 W / mK, respectively.
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Great Wall Lubricating Oil Obtained FAW Certification
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Besides of Metal Stamping Components,the Amplifiers metel chassises and Panels, we also complete solution for OEM/ODM Products & components, offer services of deep drawing services, EMI metal shielding parts, heat sink ,plastic molding products for custom, PVC Fittings ,pvc conduit fittings, Plastic Injection Components, Metal Stamping Parts, home appliances accessories ,R/C drone and smart electronic toys etc.
Besides of Metal Stamping components,the Amplifiers metel chassises and Panels, we also complete solution for OEM/ODM products & components, offer services of deep drawing services, EMI metal shielding parts, heat sink ,plastic molding products for custom, PVC fittings ,pvc conduit fittings, plastic injection components, Metal Stamping Parts, home appliances accessories ,R/C drone and smart electronic toys etc.