The latest good news of Shandong mining machinery in 2019
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
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 data3. 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
This is Turkish coser, its new photosynthesis is anzujaamu.
As of October 11, 2019, there are 940 listed companies on the SME Board of Shenzhen Stock Exchange, including Zhejiang XinHeCheng Co., Ltd., Hongda Xingye Co., Ltd., Zhejiang Weixing Instrial Development Co., Ltd., Huabang life health Co., Ltd., Anhui Dehao Runda Electric Co., Ltd., etc
the specific list of 940 small and medium-sized listed companies can be obtained through the following ways:
1. Search the Shenzhen Stock Exchange on the Internet, find its official website, and then click to open the website