About us
About us

Liaoyang Petrochemical Machinery Design & Manufacturing Co., Ltd. is located in Liaoning Liaoyang High-tech Industrial Development Zone. It is a professional manufacturer of steel pipe fittings integrating scientific research, development, production and sales. The company covers an area of 40,000 square meters and fixed assets of 50 million yuan. More than 200 employees, including professional and technical personnel accounted for 10% of the total number.


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  • Summary of the advantages and disadvantages of cold drawn steel pipe and extraction method
    27
    2018-09
    Summary of the advantages and disadvantages of cold drawn st...
    Advantages of cold drawn steel pipe:(1) The size is accurate and the tolerance is small;(2) When the die hole is process...
  • What is non-alloy steel, low alloy steel and alloy steel?
    27
    2018-09
    What is non-alloy steel, low alloy steel and alloy steel?
    The specified content of any element specified in steel conforms to the limit value range of the corresponding...
  • What are the technical conditions for each type of steel pipe?
    27
    2018-09
    What are the technical conditions for each type of steel pip...
    Generally, according to the use of the steel pipe and its working conditions, different technical conditions should be ....
  • What are the basic processes for producing seamless steel pipes?
    14
    2017-12
    What are the basic processes for producing seamless steel pi...
    The solid tube billet is rolled into a hollow finished steel tube. No matter what kind of perforation and rolling method...
  • Four quality inspection aspects of elbow welding
    14
    2017-12
    Four quality inspection aspects of elbow welding
    1, visual inspection: generally based on the naked eye observation, sometimes with a 5-20 times magnifying glass for obs...
  • Pipe fitting
    14
    2017-12
    Pipe fitting
    The socket weld flange and the socket flange are flanges whose one end is welded to the other end of the steel pipe an.....
  • Flange connection
    27
    2016-07
    Flange connection
    Flange connection is to fix two pipes, pipe fittings or equipment on a flange, and between the two flanges, with flange ...
  • Compensator application
    27
    2016-07
    Compensator application
    Compensators are also customarily called expansion joints, or expansion joints. It consists of a bellows (an elasti...
  • Arched head forging process
    27
    2016-07
    Arched head forging process
    The arched head is a type of head that is arched. The arched head is a type of boiler component in a pressure vessel. .....
  • Contact us
    Contact us

    必威体育网站首页_必威官网注册_betway必威官方 - Liaoyang Petrochemical Machinery Design Manufacturing Co., Ltd.


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    Address: Liaoyang City

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    Landline:0419-3666888、3666338
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    mailbox:lyshjx@163.com



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    Liaoyang Petrochemical Machinery Design & Manufacturing Co., Ltd. All rights reserved. Yingkou Zhongchuang Network Technology Co., Ltd. provides technical support.

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