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Guangzhou Sonka Engineering Machinery Co., Ltd. Quality Control

Good quality Hydraulic Breaker Seal Kit for sales
Good quality Hydraulic Breaker Seal Kit for sales
Customer Reviews
Sonka company has always been my supplier. Their oil seal stable quality, adapt to a variety of models.

—— Mark Damon

Sonka company stable supply capacity, make my business grew and grew

—— Judy Lockwood

Sonka company high quality oil seal, let my machine loss less, live longer.

—— Sean Smith

Very impressed. Organised competitive quote great timely service. I called on New Years Very prompt service at a difficult time of year. Thanks Guy

—— shawn congdon

this time due to its excellence in customer care, even on a Sunday afternoon. When I had an issue with express while trying to print a return shipping label for an item I purchased from Sonka. They answered me in time and helped me solve the problem.

—— Cynthia

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QC Profile

Our work is guided by quality principles.

Our goal is to fully satisfy our customers' expectation through the number of our products and services.
Quality and quantity improvements are every staff's responsibility and ultimate goal from the top management to every staff.
Our suppliers contribute substantially to the number of our products and services. Therefore,our suppliers must live up to the same high-quality standards we have adopted.


Fundamental Approach to the Pursuit of Quality Management


The fundamental principle of Monozukuri lies in Sonka's commitment to Quality and Reliability in order to provide products that customers are happy to own.

For our company, putting the customer first constitutes one of its Basic Managerial Principles, and all divisions are responsible for putting this principle into practice, whether development, manufacturing, sales, after-sales service, or management. Sonka considers a continuous process of reform and improvement to be fundamental. The scope of Sonka's quality management is as indicated below. The company uses indices to promote such management.


  • Standard:International quality certification

    Number:ISO/TS 16949:2017

    Issue Date:2017-03-16


  • Standard:Food and Drug Administration


    Issue Date:2018-03-01


  • Standard:CE certification


    Issue Date:2018-02-05


  • Standard:business license


    Issue Date:2014-05-29

    Expiry Date:2050-05-29

    Scope/Range:Engineering Parts

    Issued By:administration for industry and commerce

  • Standard:trademark registration certificate


    Issue Date:2015-01-14

    Expiry Date:2025-01-13


    Issued By:trademark office of PRC

  • Standard:trademark registration certificate


    Issue Date:2015-01-14

    Expiry Date:2025-01-13


    Issued By:Trademark Office Of PRC

  • Issue Date:2017-07-06

    Scope/Range:industry norms

    Issued By:Guangzhou Construction Machinery Parts Association

  • Standard:China National Accreditation Service for Conformity Assessment

    Number:ISO/IEC 17025

    Issue Date:2018-02-22


Contact Details
Guangzhou Sonka Engineering Machinery Co., Ltd.

Contact Person: Mr. Sum Huang

Tel: 86-20-32381175

Fax: 86-20-32381175

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