Introduction to Sinai

Since its inception in 1994 Sinai has manufactured and supplied steel balls in various sizes and specifications for grinding of cement, slag, clinker, ceramic products, remicon and raw rock, as well as various machines and steel casting used in the processing of powder, solid and liquid in the cement, chemical and steel industries, under the corporate philosophy of “Customer Impression” and customer-oriented management and operation system, based on the continuous research and development and technical competences built up over the past 10 years.

The Company has entered into supply contracts with leading manufacturers in the local cement, mining, chemical and remicon companies, thanks to the Company’s reliable logistics system and diligence. By offering the products always in time with speed and accuracy, the Company ensures that its customers do not need to carry excessive stock.

The Company has also turned itself as a specialist in grinding, not only by supplying products, but also providing diagnosis, analysis and improvement services for the clients’ production processes to help enhance their productivity.

The Company shall achieve Customer Impression as a global company based on its ceaseless effort in development of products and technologies.

History

  • Jun.2023
    • Begin new Hoengseong factory construction at Gangwon-do
  • Jan.2021
    • Trademark applied for SDM (No: 40-2021-0012221,22)
  • Nov.2018
    • Patent applied on automatic inserting device for steel ball (No: 10-2018-0148489)
  • Nov.2017
    • Completed Yangpyeong factory at Gyeonggi-do
  • Sep.2017
    • Patent applied on automatic sorting device for steel ball (No: 10-2017-0112677)
  • Feb.2015
    • Patent applied on automatic production device for hot rolled steel ball (No: 10-2015-0017556)
    • Patent applied on hot press, automatic production device for steel ball (No: 10-2015-0017557)
  • Mar.2015
    • Trademark applied for SN (No: 40-2014-0068650)
  • Dec.2014
    • Design patent applied on shell liner for crusher (No: 30-2014-0062675)
    • Design patent applied on shell liner for crusher (No: 30-2014-0062676)
    • Design patent applied on shell liner for crusher (No: 30-2014-0062677)
    • Design patent applied on screen liner for crusher (No: 30-2014-0062678)
    • Design patent applied on screen liner for crusher (No: 30-2014-0062679)
    • Trademark applied for SNP STEEL BALL in China (No: 15610168)
  • Nov.2014
    • Patent applied in China on manufacturing technology for forging steel ball (SNP) (No: 201410669750.8)
  • Oct.2014
    • Trademark applied for SN in China (No: 15610127)
  • Sep.2014
    • Awarded Mayor’s Citation from the Mayor of Seoul City
    • Trademark registered for SNS STEEL BALL (No: 40-1059629)
  • May.2014
    • Started to sell and install anti-abrasion ceramic products
  • Jan.2014
    • Completed Jinan Automated Factory (production capacity of 60,000/y)
  • Nov.2013
    • Patent applied on manufacturing technology for forged steel ball (SNS) (No: 10-2013-0141987)
    • Trademark registered for SNS STEEL BALL (No: 40-2013-0077187)
  • Oct.2013
    • Moved factory to Gwangju Gyeonggi-do
  • Jun.2013
    • Trademark registered for SNP STEEL BALL (No: 40-0975855)
  • Jul.2012
    • Patent registered on manufacturing technology for forged steel ball (SNP) (No: 10-1169654)
  • May.2008
    • Acquired ISO 9001
  • Oct.2005
    • Entered into high chrome steel ball supply contract with a cement company
  • Mar.2005
    • Alliance with Dong Anh Licogi Mechanical Joint Stock Company (Vietnam) for sale of steel ball forging technologies and forged products
  • Feb.2002
    • Started to sell high chrome steel ball in the local market
  • Feb.2000
    • Developed high chrome steel ball and other related products
  • Jan.2000
    • Started to supply forging products (300T/M on average) to local power plants and cement companies
  • Apr.1999
    • Incorporated a subsidiary Jinan Sinai Forging Co Ltd in China
    • Jinan Factory completed (production capacity of 20,000/y)
  • May.1997
    • Established mass production system for forged steel ball
  • Jul.1996
    • Improved the forging production technology, Established QC Test Center
  • Feb.1995
    • Started manufacturing forges grinding steel ball for the cement industry
  • Apr.1994
    • Incorporated under Sinai Industrial Company Limited
  • May.1994
    • Established systematic forging process management and production system

Certification

Click on the certificate to view in detail.

Trademark Registration Certificate (SDM)

Trademark Registration Certificate(SDM)

Trademark Registration Certificate (SDM)

Trademark Registration Certificate(SDM)

Automatic Steel Tool Sorting Device Patent Certificate

자동강구선별장치 Patent Certificate

Automatic Steel Tool Input Device Patent Certificate

자동강구투입장치 Patent Certificate

Patent Certificate

Patent Certificate

ISO9001

ISO9001

Trademark Registration Certificate (SNP STEEL BALL)

Trademark Registration Certificate (SNP STEEL BALL)

Trademark Registration Certificate (SNS STEEL BALL)

Trademark Registration Certificate (SNS STEEL BALL)

Citation

Citation

Confirmation of venture businesses

Confirmation of venture businesses

Certificate of design registraion

Click on the certificate of registration to view in detail.

Certificate of screen liner design registration

Screen liner certificate of design registration

Certificate of screen liner related design registration

Certificate of screen liner related design registration

Certificate of shell liner design registration

Certificate of shell liner design registration

Certificate of shell liner related design registration

Certificate of shell liner related design registration

Certificate of shell liner related design registration

Certificate of shell liner related design registration

Directions

  • Head office

    #102, 103, Janghan-ro 26ga-gil, Dongdaemun-gu, Seoul, Korea

    TEL: +82-2-2249-3352

    FAX: +82-2-2249-3353

  • Overseas branch

    No. 94, Yingxiongshan Road, Jinan, China

  • Factory

    Yangpyeong factory: 815, Morungogaet-gil, Yangdong-myeon, Yangpyeong-gun, Gyeonggi-do, Republic of Korea

    Hoengseong factory: 1074, Yangseobuk-ro, Seowon-myeon, Hoengseong-gun, Gangwon-do, Republic of Korea

    China: Zhangqiu City, Shandong Province, China

SUSTAINABILITY