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 With the arm-mounted concrete pump truck boom is getting bigger and bigger models, the use of conveyor cylinder bore is bigger and bigger, the domestic use of concrete conveying cylinders cylinder diameter reached 260 millimeters. Transport tank the greater job instability brought about by the higher, and then subject to the whole weight and size requirements, the cylinder can not be bigger and bigger. How to improve under conditions of limited transmission efficiency in product development should be the focus. 

 In addition, many engineering machinery products, core components of the concrete pump is difficult to achieve localization. Such as chassis, China's use of the Isuzu, Mercedes, Volvo and other imported products, many manufacturers are using the domestic car chassis, together with the domestic drive, but relatively speaking, its failure rate is still high. In addition, hydraulic parts, pumps, valves, electrical control systems and other products subject to the constraints of foreign products. The good news is that, in recent years, China's concrete machinery made more than 100 patents is concentrated in the pumps and pumping technology, hydraulic structures, electrical, and other aspects. The courage to start from the weak link is the key to the pump to achieve a breakthrough. The bracket concrete pump truck was started in the early 1980s, the original is basically the introduction of CKD, or the introduction of technology to produce some of the parts to introduce a combination of modes of production through technology and trade combination. 

 The early 1980s, the total holdings of domestic concrete pump less than 200, the arm mounted concrete pump is a blank. In the meantime, some of our large-scale concrete pouring project depends largely on imported equipment. 

 After nearly 20 years of efforts, China's boom mounted concrete pump has achieved considerable development, the level of design and manufacturing capabilities have been greatly improved. According to statistics, China's concrete pump manufacturers reached more than 100 distribution throughout the country. However, due to the manufacturer's technical level, the production process, production capacity is uneven, the product gap. The current domestic production capacity of most enterprises is Sany, Zoomlion, Xuzhou Heavy and Foton Heavy machine, represented by the first tier, second tier Heino, Liaoning, Hubei Construction Machinery, Anhui, Malaysia and Shanghai HONGDELI and other enterprises of these two echelon production accounts for more than 90% of the entire industry.