| Company Name |
position number |
| Jiangsu Institute of Metrology |
129-130 |
| Guangzhou Shenggao Measurement & Control Technology Co., Ltd. |
A57 |
| Beijing HotNetworks Technology Co.,Ltd |
A005 |
| NINGBO DONGHAI GROUP CORPORATION |
A006-007 |
| Bogong Guangpin Test Equipment Manufacturing (Shanghai) Co., Ltd. |
A007 |
| YiBeiLong Technology &Service (Beijing) Co.,Ltd. |
A008 |
| Shanghai Guanghua-Altometer Instruments Co., Ltd. |
A009 |
| Division of Mechanics and Acoustics， National Institute of Metrology |
A010 |
| Weifang Aobo Instrument Technology Development Co., Ltd |
A011-012 |
| Hangzhou Zhongrui Automation Co.，LTD |
A012 |
| Measurement Technology-Ma Xiaoxiu Ltd |
A013 |
| Nanjing Rflight Communication Electronics Co., Ltd. |
A019 |
| Institute of Manufacturing Technology and Automation，Zhejiang University |
A020 |
| SHENYANG XINKE PRECISION INSTRUMENT & EQUIPMENT CO.LTD. |
A021 |
| Shenzhen Dewo Instrument Co.,Ltd |
A022 |
| DMA INTERNATIONAL CO.，LTD |
A022a |
| LAIZHOU LAILUOTE TESTING INSTRUMENT CO.,LTD |
A026 |
| QINGDAO ADD VALUE FLOW METERING CO.,LTD. |
A027 |
| JingJiang ZhiCheng Metrologic Instrument Co., Ltd |
A030 |
| Xiamen Tianyan Instruments Co., Ltd |
A031 |
| Shanghai Qingke Instrument Electronics Co., Ltd. |
A032 |
| Beijing Futengbao Science and Technology Development Co.,Ltd |
A035 |
| Beijing Lin Dian Wei Ye Electronic Technology Co. LTD. |
A036 |
| Guangzhou senbiao machinery equipment co., LTD. |
A038 |
| Yokogawa Test & Measurement (Shanghai) Co.,Ltd.Yokogawa China Co.,Ltd |
A046 |
| Panran Measurement & Calibration Technology Co., Ltd. |
A048 |
| Guangzhou Shenggao Measurement & Control Technology Co., Ltd. |
A049 |
| BEIJING H&V ELECTRONICS Co.,Ltd. |
A050 |
| Liaoning Huake Petroleum Apparatus Science & Technology Co.,Ltd |
A50-051 |
| Shaanxi Creat Wit Technology Co. , Ltd. |
A054 |
| NANJING BOSEN TECHNOLOGY CO., LTD. |
A056 |
| Tai’an De to Automation Instrument Co., Ltd. |
A057 |
| Yantai Dongfang Wisdom Electric Co.,Ltd |
A067 |
| Beijing ConST Instruments Technology Inc. |
A068 |
| Jinan Shengda Jianye Measuring Tool Co., Ltd. |
A-068 |
| Shenzhen COSBER Industrial Co.,Ltd |
A081 |
| Hebei China Aviation Inspection Technology Service Co., Ltd. |
A-081 |
| HEFEI JIAANJIE TECHNOLOGY CO.,LTD |
A086 |
| Wasion Group Limited |
A089 |
| NINGBO SANXING MEDICAL ELECTRIC CO.,LTD. |
A091 |
| Guangzhou Shenggao Measurement & Control Technology Co., Ltd. |
A092 |
| SHANGHAI BIAOZHUO SCIENTIFIC INSTRUMENT CO.,LTD |
A103 |
| FLUKE |
A105-108 |
| Beijing Chuang Yu Xing Tong Science & Technology CO.,LTD |
A106 |
| Laizhou Huaxing Testing lnstrument co.,LTD |
A107-108 |
| Jilin kotosoft co.ltd |
A109 |
| Guangzhou Shenggao Measurement & Control Technology Co., Ltd. |
A110 |
| CHENGDU SPACEON ELECTRONICS CO.,LTD. |
A-110 |
| CEPREI CALIBRATION&TESTING CENTER |
A111 |
| LAIZHOU HUAYIN TESTING INSTRUMENT CO., LTD. |
A112-113 |
| TAYLOR HOBSON LIMITED |
A125-126 |
| Jiangsu Degao IOT Technology Co.,Ltd. |
A128-131 |
| Science & Technology Institute Of China Railway Shanghai Group Co.,Ltd. |
A129-130 |
| Shanghai Institute of Quality Inspection and Technical Research |
A131-132 |
| Shanghai Motor Vehicle Inspection Certification & Tech Innovation Center Co.,LTD |
A147-150 |
| Shanghai Municipal & Highway Engineering Testing Co. Ltd. |
A153 |
| Guangzhou Shenggao Measurement & Control Technology Co., Ltd. |
A155 |
| SUZHOU INTEGRATION MEASUREMENT & CETIFICATION Co.,Ltd Beijing Dantsin Rui-hua Technology Co.,Ltd |
A156 |
| Guangzhou Shenggao Measurement & Control Technology Co., Ltd. |
A227 |
| Beijing Yida Measurement Technology Co., Ltd |
A309-310 |
| Guangzhou Shenggao Measurement & Control Technology Co., Ltd. |
A311-316 |
| Tai’an Nimeng Electronic Technology Co. LTD. |
A361 |
| Guangzhou Riqi Electronics Co.Ltd. |
A364 |
| YORK Instrument |
A365-366 |
| UNICORN TECHNOLOGY CO., LTD. |
A374-375 |
| GENTEC (SHANGHAI) CORPORATION |
A376-377 |
| Econ Technologies Co., Ltd |
A380 |
| SHIJIAZHUANG SUIN INSTRUMENTS CO.,LTD. |
A399 |
| Shanghai Shangcai Testermachine Co., Ltd. |
B001 |
| Beijing Nicon Instruments Co,Ltd. |
B-001 |
| Zhejiang Viewshine Intellingent Meter Co.,Ltd |
B002 |
| Guangzhou Shenggao Measurement & Control Technology Co., Ltd. |
B003 |
| Shanghai Jingpu Electromechanical Technology Co., Ltd. |
B005 |
| Shanghai Chinesechip Information&Technology Co.,Ltd |
B006 |
| Shanghai Haiyue Electronics Technology Co., Ltd |
B007 |
| Flowmetek (Shanghai) Automation instrument co., LTD. |
B008 |
| Shanghai STARSE Instrument/Meter Co.,Ltd. |
B009 |
| Qianwei Kromschroder Meters(Chongqing) Co.,Ltd. |
B010 |
| Shenzhen TOPWAY Technology Co., Ltd |
B011 |
| Shanghai Fiorentini Gas Equipment Co.,LTD. |
B020 |
| Shandong Dalu Metrology Technology Co., Ltd. |
B043 |
| PerkinElmer Management (Shanghai) Co., Ltd. |
B050 |
| Liaoning SC Technology Co., Ltd |
B054 |
| SHANGHAI WELLTECH INSTRUMENT CO.,LTD. |
B055 |
| KAFLON |
B055-B056 |
| ONUEE ELECTRONICS LTD |
B058 |
| Guangzhou Shenggao Measurement & Control Technology Co., Ltd. |
B066 |
| METTLER TOLEDO |
B067 |
| HIOKI （SHANGHAI）SALES&TRADING CO.,LTD. |
B072 |
| Guangzhou Shenggao Measurement & Control Technology Co., Ltd. |
B073 |
| SHANG HAI CHANG AI ELECTRONIC SCIENCE & TECHNOLOGY CO.,LTD |
B076 |
| Wuhan Seismic Metrological Verification & Surveying Engineering Institute Co.,LTD |
B077 |
| Sensus Metering Systems (Fuzhou) Co., Ltd. |
B079 |
| Hangzhou Shilin Automation Eng. Co.Ltd. |
B080 |
| NINGBO WATER METER CO.,LTD |
B081 |
| YOI technology (Shang hai)co.,LTD |
B082-083 |
| Guangzhou Shenggao Measurement & Control Technology Co., Ltd. |
B090 |
| Shenzhen Hangzhi Precision Electronics Co., Ltd |
B091 |
| CETC METROLOGY & TEST & CERTIFICATION ( BEIJING ) COMPANY LIMITED |
B092 |
| Huozi Technology (Hangzhou) Co., Ltd. |
B097 |
| Laizhou Henwaii Test Instrument Co.,Ltd |
B098 |
| Eletta （Beijing）Instruments Co.,Ltd. |
B100-099 |
| Zhejiang Sapphire Instrument Science & Technology Co., Ltd |
B105 |
| Shandong Calibration Measurement & Control Technology Co., LTD |
B107 |
| Tai Yuan TaiCo Pressure-Measuring Technology Co., Ltd |
B-107-108 |
| Hefei Zhice Electronic Co., Ltd. |
B108 |
| KAIFENG JINKE FLOW METER CO.LTD. |
B109 |
| ShenZhen ANSO Measurement&Control Instruments CO.,LTD |
B109-110 |
| ZHEJIANG ROXYNE SMART METERS CO.,LTD. |
B111-114 |
| SHANGHAI Water Meter Factory |
B115-117 |
| Shanghai Acol Gas Testing and Controlling Equipment Co.,ltd. |
B118-120 |
| ZENNER Meters（Shanghai）LTD. |
B121-135 |
| ZENNER Metering Technology（SHANGHAI)LTD. |
B121-135 |
| HUAXIN INSTRUMENT (BEIJING) CO., LTD. |
B145-146 |
| Guangzhou Shenggao Measurement & Control Technology Co., Ltd. |
B152 |
| KUNSHAN INNOVATION TESTING INSTRUMENTS CO.,LTD |
B160-165 |
| Shanghai Institute of Measurement and Testing Technology (SIMT) |
B200-208 |
| Guangzhou Shenggao Measurement & Control Technology Co., Ltd. |
B209-211 |
| Labsphere |
B301 |
| Shanghai High Precision Instruments Corp., Ltd. |
B417 |
| Friendcom |
B493-496 |
| Alicat Scientific Inc. |
D514 |
| Guangzhou Shenggao Measurement & Control Technology Co., Ltd. |
E437 |
| Taian Demei Electromechanical Equipment Co.,LTD. |
E800 |
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