Hong Kong Standards and Testing Centre – STC was established in 1963 as Hong Kong’s first independent and not-for-profit Testing, Inspection and Certification organization. Committed to providing professional, reliable and comprehensive services, STC is accredited by HOKLAS, CNAS, DAkkS, CPSC, SATRA, LUCIDEON, JTA and MHLW, and is the first approved non-governmental laboratory undertaking CCC testing in Hong Kong and mainland China.


Established in 2005 as STC’s nerve centre in Mainland China, STC Dongguan is an internationally recognized, world-class testing laboratory featuring state-of-the-art testing equipment and facilities of over 35,000 m2. Offering extensive testing and certification services for a wide range of product categories, STC Dongguan is a Certification Body approved by the General Administration of Customs of the People’s Republic of China (GACC) and is the first non-governmental laboratory in China authorized to perform CCC testing and provide CCC certification services.



Located in the Shanghai Pilot Free Trade Zone, STC Shanghai was established in 2005 to better serve customers in the Yangtze River Delta. Originally only a textile and material product testing laboratory, STC Shanghai has broaden and developed its testing capabilities to also provide comprehensive testing services for toys and children’s products, food and chemical products, electrical and electronic products, and pharmaceutical and medical device products in order to meet growing demands and the needs of different industries.  


CHANGZHOU, CHINA - CETC & Microtek Changzhou Laboratories

STC Changzhou was established in 2015 through the acquisition of CETC (Changzhou Electronic Product Quality Supervision & Inspection Co., Ltd.). As an accredited testing laboratory of China Metrology Accreditation (CMA) and China National Accreditation Service (CNAS), CETC is qualified to perform comprehensive testing on products including but not limited to electronic parts, socket plugs, buzzers, mobile phone batteries, lighting equipment, audio visual equipment, information technology equipment and household electrical appliances. Testing expertise of Microtek Changzhou Laboratories - a subsidiary company of CETC and a contract testing laboratory of China Quality Certification Centre (CQC) were also acquired allowing STC to offer printed circuit boards, copper-clad laminates and plastics testing services to meet the needs of high-technology, electrical and electronic industries in the Yangtze River Delta.


GERMANY - PKM electronic GmbH

In 2011, PKM electronic GmbH (PKM) – a leading EMC and electrical safety testing laboratory located closed to Munich, Germany was acquired by STC becoming STC’s first offshore establishment and the only European CB Testing Laboratory approved by the China Quality Certification Centre (CQC) as a National Certification Body. Founded in 1978, PKM is a Notified Body (2522) recognized by the German "Bundesnetzagentur" (Federal Network Agency) and the European Commission to perform conformity assessment for EMC- / RED Directives, and has obtained DAkkS accreditation to carry out testing according to CE requirements for European EMC, RED, LVD and Toy Safety Directives. Located in the heart of Europe, PKM can provide testing and certification services for companies targeting the vast European Market and effectively monitor any changes to European standards and regulations.


USA - Benchmark Laboratores LLC

STC USA was established in 2015 to extend STC’s global network and capabilities. After acquiring Benchmark Laboratories LLC (Benchmark Lab) in 2017, it became STC’s regional headquarters in North America providing accredited product testing, certification, local technical support and consulting services. Founded in the year 2000, Benchmark Lab, located in New Jersey, is a CPSC approved and ISO 17025 accredited independent third party testing laboratory capable of providing comprehensive product testing and certification services in accordance with CPSIA and ISO 17025 requirements. Benchmark Lab, a proud member of STC is well positioned to provide professional solutions to meet all your conformity assessment needs.



As a commitment to meeting global trade and manufacturing demands, STC Vietnam was established in 2013 to strengthen STC’s global network and to better serve the growing number of businesses expanding their manufacturing facilities to various parts of South East Asia. STC Vietnam initially specialized in extensive textile and apparel testing services, and in 2018, STC Vietnam’s testing capabilities expanded to also include accredited toy testing services to provide convenient, local, reliable and comprehensive one-stop Testing, Inspection and Certification solutions to meet different industries and manufacturing needs. 



STC is the first overseas laboratory to be approved by Japan’s Ministry of Health, Labour and Welfare (MHLW) and the Japan Toy Association (JTA) as an official designated foreign Testing and Certification Body. For over 30 years, STC has been assisting Japanese customers from a diverse range of industries in ensuring product safety and quality. To meet growing demands of Japanese industries, STC Japan was established in 2015 and has recent moved to its new office in Tokyo to enhance STC’s capabilities and provide local technical support and customer services.