In more and more commercial activities, people begin to be inseparable from third-party testing institutions. Except the third-party testing organization, other buyers and sellers choose the third-party testing organization. Condition 1: Whether it has the qualifications stipulated by the industry. HQTS, a third-party testing organization, is one of the earliest testing companies in China, and has the same or even more authoritative qualification recognition as other third-party testing organizations in terms of industry qualifications. ISO 17020, recognized by CNAS as the international certification standard for inspection institutions, was recognized by AQSIQ as the inspection and appraisal institution for import and export commodities, became a full member of IFIA, AAFA and TIA, and chose a third-party inspection institution. Condition 2: Whether there are wide and dense service outlets with wide distribution, which can not only carry out third-party inspection business more conveniently and quickly, but also save indirect costs for customers. HQTS, a third-party testing organization, has testing service outlets all over the world. Domestic service outlets are: Guangdong: Shenzhen, Guangzhou, Dongguan, Shantou, Zhongshan, Shunde, Huizhou, Yangjiang Guangxi: Nanning Fujian: Fuzhou, Xiamen, Quanzhou Jiangxi: Nanchang, Fuzhou Zhejiang: Hangzhou, Ningbo, Cixi, Wenzhou, Taizhou, Shaoxing, Yongkang, Jinhua and Jiaxing Jiangsu: Wuxi, Nanjing, Suzhou, Xuzhou and Yancheng. Jinan, Hebei: Shijiazhuang, Tianjin, Liaoning: Dalian, Hongkong, Taiwan Province Province: Taipei, Taichung, Tainan. Overseas service outlets of third-party testing institutions are: India: New Delhi, Mumbai, Salem, Carour, Bangladesh: Dhaka, Vietnam, Hanoi, Pakistan: Ho Chi Minh, Lahore, Karachi, Thailand: Bangkok, Philippines: Manila, Malaysia: Kuala Lumpur, Indonesia: Bandung, Turkey: bursa.