How many buses can I take to the Food City Exhibition Center
Chongqing International Convention and Exhibition Center Address: No.2 Jiangnan Avenue, Nan'an District, Chongqing
bus line: Line 4, the whole journey is about 1.6km
1. Walk about 420m from Shenzhen to the citizen center station
2. Take line 4, pass 1 stop, and reach the exhibition center station
3. Walk about 380m to Shenzhen Exhibition Center
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301 Road (Nanhu branch road to nedergong Road)
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0321 Road (lijiatuo bus yard Ciqi Street)
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361 Road (Longzhouwan hub Ciqi Street)
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809 Road (tanzishi Qunhui road Ciqi Street)
819 Road (Ciqi street tanzishi Qunhui Road)
841 Road (tanzishi Ciqi Street)
< 872 Road (Niujiaotuo hub Danlong South Road)
Happy Valley special line 01 Road (Danlong South Road Niujiaotuo hub)
33 minutes | 3.16 km
boarding station Huaihai Cultural Expo Park has missed the last bus
Food City (bus station)
602 road / 602w Road (Huaihai Cultural Expo Park - Hongxing Furniture City)
Huaihai cultural Expo Park boarding last bus 19:40
2 stops
get off at ceramic market
walk 1384 meters details
Xuzhou motor vehicle safety inspection center
UFIDA started from financial software in 1988, and promoted the accounting computerization of Chinese enterprises by popularizing the application of financial software, which is the 1.0 era of UFIDA's development; In 1998, it began to enter the field of enterprise management software and services, providing ERP software, group management software, human resource management software, customer relationship management software, small enterprise management software, financial and administrative institutions management software, automobile instry management software, tobacco instry management software, internal audit software and services for China and the Asia Pacific region, It supports the information construction of many Chinese enterprises, promotes the management progress of enterprises, and is the 2.0 era of UFIDA development. Now, based on the new generation of enterprise computing technology of mobile Internet, cloud computing, big data, artificial intelligence, Internet of things and blockchain, UFIDA has formed the enterprise Internet service with "software, cloud service and finance" as the three core businesses. The business field has expanded from the previous enterprise management to business operation and enterprise finance, and the service level has changed from enterprise level to social level, It is the 3.0 era of UFIDA development
in the past 30 years, UFIDA has continued to focus on innovation and development in the field of enterprise and public organization informatization, and has accumulated profound experience in customer and partner foundation, professional team and field experience. Moreover, in terms of new generation technology and enterprise application innovation, China almost keeps pace with the world; At the same time, based on a better understanding of the advantages of Chinese enterprises, UFIDA has built a new enterprise Internet service proct system through technology upgrading, proct innovation and mode transformation. UFIDA will actively promote the integration of various cloud service platforms and procts within the company, cloud services and software and finance, as well as the sharing of public service platforms. At the same time, UFIDA will adhere to the spirit of openness and innovation in the Internet era, build an enterprise Internet service ecosystem, and strive to become a global leading enterprise and public organization software, cloud service, and financial service provider
- Introction to the official website
wear resistant ball is a new type of abrasive material, which plays a more and more important role in building materials and mining instries. China has a huge demand for cement, building materials and mining instry. In the early stage, domestic demand was solved by importing foreign wear-resistant procts, but it is not a long-term solution. Therefore, since the 1980s, China's wear-resistant ball instry has developed from raw materials and proction equipment, Perfect instrial chain and instrial foundation such as proct research and development. In the short term, the domestic market demand has been solved. Due to the lack of core technical personnel, advanced proction equipment and national policy support, the domestic wear-resistant R & D and proction technology always lags behind the international level, and the export volume is limited. Most of the procts are mainly used to solve the domestic demand. With the increasing requirements of the upstream instry, the quality demand has graally evolved from the previous quantity demand, From 2006 to 2010, the demand of wear-resistant ball increased from 850000 tons to 1.5 million tons. Take the cement instry as an example. In recent years, with the rapid development of domestic economy, the demand of highway and construction instry is large, and the cement proction is increasing year by year. With the increase of cement proction, the property requirements of wear-resistant ball are also improved. The wear-resistant ball with low chromium content to high chromium content and even higher grinding efficiency needs to be developed. However, most domestic wear-resistant ball manufacturers are private enterprises, Due to limited funds and insufficient technological research and innovation strength, it is difficult to create a brand and improve proct efficiency, and the gap with the international level is graally widening.
there are three kinds of steel balls: forged steel balls, cast steel balls and hot-rolled steel balls
forged steel ball: it is forged by air hammer after the round steel is segmented. The wear resistance of forged steel ball is closely related to the material, impurities or quality of the round steel
the main materials of forged steel balls are 45 ° steel and more than 50 Mn, 60 Mn or 65 Mn. At present, the wear resistance of 75 mncr is comparable to that of high chromium balls. Advantages of forged steel ball: crushing rate less than 1%, good wear resistance, low price, high cost performance
among the cast steel balls, chromium alloy is the main component of the cast steel balls, with poor oxidation resistance, high sulfur resistance, diesel fuel resistance and seawater corrosion resistance, lower strength density than forged steel balls, and much higher crushing rate than other steel balls. According to the chromium content, wear-resistant balls can be divided into the following categories:
1, chromium content 1% - 3%, hardness HRC ≥ 45. This kind of standard wear-resistant steel ball is called low chromium alloy casting ball. Low chromium balls are proced by medium frequency electric furnace melting, metal mold or sand mold casting. Its performance is suitable for some metallurgical mines, slag and other instries with low grinding accuracy and low wear consumption
2. Chromium content 4% - 6%, hardness HRC ≥ 47. This standard is called multi-element alloy ball, which has higher strength and wear resistance than low chromium steel ball
3. The medium chromium alloy ball with 7% - 10% chromium content and HRC ≥ 50 hardness is better than the multi-element alloy steel ball in properties
4. Chromium content ≥ 10% - 14%, hardness HRC ≥ 58, high chromium alloy cast ball is a kind of wear-resistant ball with high utilization rate and good wear resistance in cement instry, which has a wide range of applications. However, e to high price and good performance, it is replaced by forged procts, resulting in a graal decline in the market
5 the chromium content is more than 14% and the hardness is HRC ≥ 58. This is a special high chromium steel ball, which is suitable for the instries with fine grinding and large consumption. Of course, its price is also quite high, and its cost performance is slightly lower than that of high chromium ball
hot rolled steel balls: the properties of steel balls are different according to different raw materials,. Generally, it can be divided into the following categories: taking 100 mm steel ball as an example,
surface hrc55-60, core hardness 20-25
surface hardness 55-60, core hardness 30-35
surface hardness 58-63, core hardness 40-45
surface hardness 58-63, core hardness 55-60
surface hardness above 60, core hardness above 58
hot rolled steel ball is proced by rotary cutting proction line, which has risen rapidly in recent years, Not only the proction efficiency is high, but also the wear resistance is enhanced in turn. The second and third types are mainly used in medium and large enterprises, while the fourth and fifth types are mainly used in super large enterprises, such as China gold, Jiuquan Iron and Steel Group and Tongling Nonferrous Metals.