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China Hongyang Group, is an integrated enterprise with the research & development, production and marketing of Fuel Dispenser and related accessories as well as service station concerning equipments. It concentrates on the relative manufacture & services of filling station such as Hongyang tax control Fuel dispenser, IC Card fuel dispenser, manage system of network for stations, submerge pump and liquid level devise. China Hongyang Group, designed supplier of SinoPec and PetrolChina, our HONGYANG products have been sold to over 50 countries in South-east Asia, Mid-east, Africa, Europe and well received in their markets.

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    is filled oil whenever refuel or stop operating. The inner cubage of hose varies upon basis of hose’s interior pressure owing to different pressure as stop working or refueling. The varied degree correlates with working pressure, material and length of hose. Hence, exactitude is affected by above variability. Service life testing In the new national standard GB/T9081-2001 Fuel Dispenser for Vehicle, the testing is called as test for working stability. The purpose is to assess the whole performances, namely, how long key components can be operated without no trouble condition, especially component of flow meter. Testing time fuel dispenser is 100 hours. Measuring accuracy fluctuation not exceed ±0.15% stipulated in GB-9081-2001. The above six items of model testing comprehensively assess the fuel dispenser’s performances, mainly examining accuracy of flow meter, vapor separator, hose. As so many fuel dispensers are adapting taxation supervision device that model testing stipulated in regulations includes other nine items supplementary testing of environmental and fuel dispenser electromagnetic interference, such as high and low temperature, wet-hot interchange, vibration, source adaptability, instantaneous power cut, voltage decline, static discharge, sensibility of radiation electric magnetic flied, sensibility of electric pulse. Only factory passed over the above testings and having obtained production license could manufacture fuel dispenser as large quantity. In summary, fuel dispenser’s measuring management mainly is carried out through model approval and examination and appraisal of every phase. However, as for each technical requirement to fuel dispenser is inspected, supervised and implemented also through model approval and every phase’s examination and appraisal. Article II Appraised condition and apparatus Except for the initial approval carried out in factory, other fuel dispenser�approvals are implemented on spot. Equipment used for preventing sunlight, rainwater and wind should be access so as to ensu fuel dispenser

technical specification

    to be considered but for  explanations it is sometime useful to also consider the interface between the Application  (layer 7) and the Communication (layers 1 to 6).   Originator Originator Recipient Recipient   Application Communication Communication Application   layer 7 layers (1-6) layers (1-6) layer 7   Network  February 2003 IFSF - STANDARD FORECOURT PROTOCOL FP2_1.84   COMMUNICATION SPECIFICATION〠fuel dispenser €ã€€ Page: 7  2 Communication Principle  The transport layer for an IFSF network may be either a Lonworks based network  architecture or a system based on TCPIP.  The application layer defined by the IFSF is independent of the transport layer used.  2.1 LON Features  The LON component selected to provide the ISO communi fuel dispenser cations layers 1 to 6 is already  used in the building wiringservices business. The very large usage of this component offers  a powerful solution at an acceptable cost.  The LON is able to use different physical layers (layer 1):  - RS485 (max speed: 39 kbits)  - Transformers (78 kbits or 1.25 Mbits)  - Power Lines (PLT-20 Cenelec C-Band)  - Optical Fibres  - Short Range Radio  - Infrared Light  - Intrinsically Safe  - Free Form Topology (FTT-10 78 kbitss)  LonWorks Specific Network Parameters  Addressing - the top level of the addressing hierarchy of a LonWorks network   is a domain. If different applications are to share a communication   network they may be separated into different domains.   All forecourt devices are installed in domain 1.   - fuel dispenser

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    China is happy the work helps offset some of its trade deficit with Angola. The Angolan government is also happy it is rebuilding its shattered economy at last. For José Cerqueira, an Angolan economist, China is welcome because it eschews what he sees as the IMF s ideological and condescending attitude. “For them,�he says, “we should have ears, but no mouth.�Others are pleased because China is ready to pass on some of its technology. It is, for example, helping Nigeria to launch a second satellite into space. Some African officials, disillusioned with the Western development model, say that China gives them ho fuel dispenser pe that poor countries can find their own path to development. And now the snags The love affair with China, however, may be sour as well as sweet. For countries that do not sit on oil or mineral deposits, higher commodity prices make life harder. Even for producers there are risks. A recent report by the World Bank argues that Africa s new trade with China and India opens the way for it to become a processor of comm fuel dispenser odities and a competitive supplier of cheap goods and services to Chinese and Indian consumers. But another report, from the OECD, a club of industrialised countries, argues that China s appetite for commodities may stifle producers efforts to diversify their economies. Oil rigs and mines create few jobs, it points out, and tend to suck in resources from other industries. And if Africa is to escape its vulnerability to the capricious movements of world commodity prices, it must start to export more manufactures. On this the World Bank adds its own warning China and India must end their escalating tariffs on Africa s main exports. China is also bringing irresistible—some say unfair—competition to Africa. All over Africa Chinese traders can now be seen selling cheap products from the homeland, not just electronics but plastic goods and clothes. In Kamwala market in Lusaka a host of Chinese shops have appeared over the past couple of years. fuel dispenser