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                      | Pneumatics, hydraulics,
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                      | NOV products (including Mission and Hydra Rig).
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                      | SPM flow control products, well service pump and parts.
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                | More about the engine assembly and parts, please click the following brands: |  
                | MTU | DDC | Caterpillar |  
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                      | Allison off-road transmission and parts.
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                |  | Murphy Instrument Company focuses on researching  and producing industrial instrumentation. As the world's leading manufacturer  of engine monitoring equipment, Murphy¡¯s products are mainly applied in the  industry of petroleum and natural gas, engineering machinery, generator sets, and  marine among others. |  |  
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                    | Shanghai O&M provides the Murphy products include: |  
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                    |  | Mechanical pressure & vacuum meter |  
                    |  | Mechanical Temperature Instrument |  
                    |  | Level Instrument |  
                    |  | Vibration, time and over-speed instrument |  
                    |  | Instrument relay |  
                    |  | Control Valve |  
                    |  | Electric meter |  
                    |  | J1939 Engine System |  
                    |  | Generator set controller |  
                    |  | Engine Controller |  |  |  
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                    |  | Natural gas fields: the main application of pressure gauge, liquid level switch, sewage valve, vibration switch, etc.. |  
                    |  | Petroleum industry: pressure gauge, thermometer, tachometer used in fracturing truck. |  
                    |  | Dynamo unit: pressure gauge, thermometer, tachometer, other kinds of sensors. |  
                    |  | Industrial mine fields: kinds of temperature gauge, pressure gauge (with explosion-proof functions / EX). |  
                    |  | Marine industry: water level switch, temperature gauge, pressure gauge; rev switch, and pressure switch. |  |  |  |  |  
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