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http://www.sqi.com.cn/SQI_Web/English/SQI_EN_Introduction_Details.aspx?NGUID=cb80e2a3-21f8-44db-81ed-65da017bb1b7
National Quality Supervision and Inspection Center for Building Materials and Decoration Materials is an authoritative inspection agency of product inspection, quality inspection of household decoration, indoor air quality inspection, standard establishment and revision, R&D of testing equipment and scientific research.
http://www.sqi.com.cn/SQI_Web/English/SQI_EN_Introduction_Details.aspx?NGUID=f7eb1e40-4a2b-4439-850d-b5c42efdf466
National Quality Supervision and Inspection Center for Consumer Goods (NCCG) is approved by General Administration of Quality Supervision, Inspection and Quarantine. NCCG undertakes different kinds of governmental supervision and inspection tasks including testing on footwear products, toys, stationery, household goods, food packaging, clothing ...
https://www.chinesestandard.net/PDF.aspx/GBT19719-2005
Products (Nanjing), and National Center of Quality Supervision & Inspection on Gold-Silver Products (Shanghai). Chief drafting staffs of this Standard. Li Wujun, Wang Donghui, Fang Mingxu, Fan Jifang, Li Yukun, and Li Suqing. Jewellery - Determination of the Release of Nickel - …
https://charmbracelets001.wordpress.com/2011/09/15/all-jewelry-appraisal-institution-authority-a-bracelet/
Sep 15, 2011 · Beijing jade bracelet jewelry quality supervision and inspection offices address: Beijing AnWai street yellow zhuang road building no. 19 telephone: (010) 84273700 Beijing national jewelry jade bracelet quality supervision and inspection center address: the west city of Beijing hutongs mutton 30-number 7Estimated Reading Time: 1 min
https://equalocean.com/briefing/20210729230064564
Liu Houxiang, head of the national jewelry and jade quality supervision and inspection center, said that the rise in diamond prices is still a general trend in the future. This text is a result of machine translation. Briefing Updated 7 hours ago · Consumer Staples Ali's mother announced the launch of "nuclear · new plan"
http://www.sqi.org.cn/SQI_Web/English/SQI_EN_Introduction_Details.aspx?NGUID=7f6204ec-c525-460c-a99b-54dd3de3ef50
National Quality Supervision and Inspection Center for Lighting Fitting is specialized in inspecting lighting appliances, which is among the first group of A-level national inspection centers. The center is authorized with nearly 200 inspection qualifications involving over 400 standards and owns nearly 800 pieces of equipment. National Quality ...
http://www.checkgems.com/en/
GIA certificate data comes from the official website, ownership owned by GIA.
http://www.chinadaily.com.cn/china/2012-07/17/content_15590972.htm
Jul 17, 2012 · Jadeite jewelry will be divided among five categories according to its quality, the Yunnan Research Institute of Gem & Jade Quality Supervision and Inspection said on Monday.
https://www.chinesestandard.net/PDF.aspx/GB28480-2012
This standard shall be under the jurisdiction of National Technical Committee on Jewellery of Standardization Administration of China (SAC/TC 256). Drafting organizations of this standard. National Jewellery Quality Supervision and Inspection Center, and Beijing Jewellery Quality Supervision and Inspection Station.
https://links.sgx.com/1.0.0/corporate-announcements/BR4U6L6OISAUCXK2/578690_Press%20Release%20NGTC%20Strategic%20Framework%2017Sept19%20Final.pdf
NGTC is the gems & jewelry quality supervision and inspection center approved by the State Administration of Market Regulation of P. R. CHINA, and is leading the efforts in China in regards to research, administrative regulations, relevant policies and formulating technical standards, and conducts inspection on gems & jewelry.
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