According to official website, directly employed by BOSS, Shenzhen Huantong Certification Center Co., Ltd. is a well-known third-party authoritative certification institution in China, ranking the top three in the industry. Nanyang Branch of Shenzhen Huantong Certification Center (Nanyang Branch of Shenzhen Quality Certification Center) is a legal certification branch officially approved by Huantong Certification Center Co., Ltd. in July 20001year and filed by National Certification and Accreditation Administration (CNCA). Mainly responsible for the promotion and certification audit of various certification services of Huantong Company in Henan and surrounding areas. It is the only professional authority engaged in various certifications in southern Henan, southwestern Henan, western Hubei and southern Shaanxi.