Testing labs in Dongguan, Guangdong

STC Group (STC Guangdong Company Limited)

Dongguan, Guangdong· 4:20 AM

STC Group, originating as Hong Kong Standards and Testing Centre founded in 1963, operates a world-class testing facility of 35,000 m² in Guangdong serving the Pearl River Delta. The group provides comprehensive testing for toys, children's products, textiles, apparel, footwear, furniture, electrical and electronic products, medical devices, food, and chemical/pharmaceutical products. STC is accredited by HKAS, CNAS, DAkkS, CPSC, SATRA, LUCIDEON, JTA, and MHLW and is the first non-governmental lab in China authorized for CCC testing.

Guangdong ESTL Technology Co., Ltd. (GDESTL)

Dongguan, Guangdong· 4:20 AM

GDESTL is a national high-tech enterprise and GTG Group subsidiary specializing in full-chain testing and certification for batteries, energy storage systems, and electric vehicle products. The laboratory holds CNAS (L13753), CMA, CQC, IECEE, UL, and TUV accreditations, and provides battery safety testing for UN38.3, IEC 62133, CB, KC, PSE, and CE-Battery certifications. GDESTL serves battery manufacturers and EV component suppliers requiring international market access.

GTG Group (Guangdong GTG Testing Technology Co., Ltd.)

Dongguan, Guangdong· 4:20 AM

GTG Group has grown from a single independent testing facility into one of the largest commercial test lab networks in China, headquartered in Songshan Lake Hi-Tech Industrial Development Zone, Dongguan. The group operates multiple specialized labs covering safety, EMC, energy efficiency, battery, and wireless device testing, particularly for lighting, IT equipment, and electric vehicles. GTG holds accreditations from CNAS (L6214, L13753, L18872), CMA, A2LA, NVLAP, and IECEE.