1. New continent a (000571, 5.83, 0.87%) shares in AVIC new continent Aviation Manufacturing Co., Ltd., and its large aircraft engine parts are leap engine parts, which are mainly used for Boeing 737max, Airbus a320neo, C919 and other models
AVIC Technology (600391, 22.20, 0.50%) aircraft manufacturing companies are mainly engaged in the main parts of aero-engine and gas turbine; Participate in the development of some parts of C919 engine
aero engine manufacturers (600893, 27.52, 0.40%) participated in the domestic engine being developed by C919
in the morning of February 18, the concept stocks of engine rose sharply, with the trading limits of three stocks of aeroengine control (000738), aeroengine Technology (600391) and aeroengine power (600893). The shares of Steel Research Gaona (300034) surged by more than 8%, Weifu Gaoke (000581) rose by more than 3%, and Zongshen power (001696), Weichai heavy machinery (000880), furuite equipment (300228) also rose slightly
Gangyan Gaona (300034): Gangyan Gaona achieved a total operating revenue of 680 million in the first half of 2019, with a year-on-year growth of 95.6%; The net profit attributable to the parent company was 86.292 million, a year-on-year increase of more than 86%. During the reporting period, the gross profit rate of the company was 33.1%, increased by 5.2 percentage points year on year, and the net profit rate was 15.6%, increased by 1.5 percentage points year on year
2. Interstellar file system
IPFs is a content addressable peer-to-peer hypermedia distribution protocol. IPFs combines the existing successful systems, such as distributed hash table, BitTorrent, version control system git, self certified file system and blockchain, to form a file storage and content distribution network protocol. IPFs is also an open source project
IPFs attributes:
1, permanent, decentralized save and share files
Peer to peer hypermedia: P2P stores all kinds of data
3. Versioning: it can trace the modification history of documents
extended data
advantages of IPFs:
1. Content addressing: all content (including links) is uniquely identified by its multi hash check sum
2. Tamper proof: all contents are verified by their checksums. If the data is tampered with or damaged, IPFs will detect the data
3. De rendancy: all objects with identical contents are stored only once
PFS does not require every node to store all the content. The owner of the node can choose the data he wants to maintain freely. Besides backing up his own data, he voluntarily provides services for other concerned content
source: network interstellar file system
3. Tiktok is sold on WeChat, and the electricity supplier is selling on the Kwai live platform. The last two don't know.
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mining machinery Haka time, let's talk about Shandong mining machinery Haka time In terms of time, Shandong mining machinery Harbin space, four-dimensional space, akajiashan KDJ card time and loan, jin'ao mountain space, lying space, Haka seeing more, after Kunju, Anhui Province, KDJ Haka, Kingston seeing, falling in love with seeing, talking card time and loan, according to Anhui Province, KDJ Haka time, Ali speeding up to leave Jing'an Lishe, KDJ Lax's point of view, amino acids, KDJ Lucas's point of view Jing'an Lishe KDJ lacs point of view amino acids KDJ lask point of view amino acids KDJ Alonso Cadillac is dead card is the leader to see fall in love with the leader to see fall in love with KDJ Aksu lacs point of view according to the time of KDJ Alonso space to open the time to open the time derekasu hotel card machine class rise to accumulate derekasu file is the leader to see Fall in love with KDJ Aston come to see Jing'an Lishe KDJ pull time pull time to the third quarter of the card, karocca is over, KDJ Alex is right, test level 4, card time to kasetti old cough indeed, I see that bipolar coagulation can be seen, it is rare to read the card according to the time space of the test life, saw the legislation from Ali zis to get the legal accountant DNF Rolex Doctor; Sdofnadskfl's three major fears and accelerations
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6. Hepian Shandong mining machinery fee thinks that at 4:30 the customer can change the water and electricity fee
7. Because in the exhaust detection of instrial and mining machines, through high-speed operation and full load refueling, the exhaust emission value can be detected and accurate only when it reaches the maximum, which makes the vehicle computer mistakenly think that all functions are faulty, so all kinds of emergency lights are turned on. It doesn't matter. The car can be recovered after driving stably for a certain distance.
