ESTS (Extensive Standard Technical Services Co., Ltd.)

Mr. Rainfall Wu
Unit 2214, 22/F, Mira Place Tower A, 132 Nathan Road
Tsim Sha Tsui, Kowloon
Hong Kong


Telephone: +852-27431982

Accreditation Details 

  • Geographic Scope to Deliver SA8000 Audits
Cambodia Macau
Hong KongUnited States of America
  • Scope of Accreditation: Procedure 200 and ISO/IEC 17021-1:2015 for the provision of certification services for Social Accountability Management Systems to SA8000:2014
  • Initial Date of Accreditation: May 1, 2017
  • Accreditation Expiry: April 30, 2025
  • Current Period of Accreditation: May 1, 2021 to April 30, 2025 
  • Updated: April 14, 2021

Office Locations Where Certification Body Claims Local SA8000 Expertise:

ESTS Dongguan Ltd.
Room 1913-1916, Zhong Sheng Commercial Building
108 Hongfu Road, Nancheng District 
Dongguan City, Guangdong Province
Contact: Ms. Jolly Ying
Tel: (86)769-21661360
ESTS Shenzhen Ltd.
Room 5H-569, Hanking Mansion
23 Dengliang Road, Nanshan District 
Shenzhen, Guangdong
Contact: Ms. Bonnie Huang
Tel: (86)755-83170640

Countries In Which The Certification Body Has Already Issued SA8000 Accredited Certificates:

  • China
  • Vietnam