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1. Capability
GRGT is equipped with calibrating apparatus of pH meter, conductivity meter, UV-visible spectrophotometer, ozone generator, standard color plate, standard glossiness plate, standard polarization tube, standard lamp, standard metal block, standard substances for the calibration of analytical instrument, testing equipment and standard substance for various types of standard gases. It is qualified in the calibration of pH meter, conductivity meter, UV-visible spectrophotometer, colorimeter, gloss meter, polarimeter, illuminometer, brightness meter, X-ray fluorescence spectrometer, gas chromatograph, liquid chromatograph, atomic absorption spectrophotometer , emission spectrometer, viscometers, sampler, water quality analyzer, gas analyzer and alarm, testing equipment for petroleum products, particle counters and other items.
2. Servcies available
Serial number Name of measuring instrument Serial number Name of measuring instrument Serial number Name of measuring instrument
1 routine capillary viscometer 47 fluorospectro photometer 93 flow analytical system
2 turbidimeter 48 oxygen bomb calorimeter 94 residual chlorine tester
3 filter type smokemeter 49 water quality on-line analyzers of total phosohorus and notal nitrogen 95 rapid detector of pesticide residues
4 carbon sulfur analyzer 50 ammonia nitrogen analyzer 96 Pt-Co colorimeter
5 Karl moisture tester 51 amino acid analyzer 97 Le chatelier flask
6 hand saccharimeter (content-meter)and hand refractometer 52 capillary electrophoresis apparatus 98 time-of-flight mass spectrometer
7 ion chromatograph 53 chemical oxygen demand (COD) on-line analyzer 99 pour point tester
8 flow cups viscosimeter 54 analyzers for oil content in water 100 condensation point tester
9 vehicle exhaust emissions measuring instrument (exhaust gas measuring instrument) 55 flamephotometer 101 acid number instrument petroleum products
10 rotary viscometer 56 mercury vapourmeter 102 turbidity point tester
11 conductivity meter 57 multi-parameter water analyzer 103 bromine number and index analyzer
12 ultraviolet spectrophotometer, visible spectrophotometer, infra-red spectrophotometer 58 automatic nitrate-nitrogen analyzer 104 aniline point tester
13 pH meter 59 phosphate analyzer 105 vapour pressure tester
14 polarimeter and polarimetric saccharimeter 60 silicate analyzer 106 sulphur tester for petroleum products
15 gaschromatograph 61 water purification machine 107 moisture meter for petroleum products
16 liquid chromatograph 62 total dissolved solids tester (TDS tester) 108 densitometer for petroleum products
17 atomic absorption spectrophotometer 63 resistivity meter 109 organochlorine tester
18 Gas chromatography - mass spectrometr 64 sault density teste 110 cold filter plugging point tester
19 X ray fluorescence spectrophotometer 65 Karl Fischer titration method 111 salt content analyzer for crude oil
trace moisture meter
20 automatic potentiometric titrator 66 dynamic light scattering granulometer 112 nitrogen elemental analyzer
21 emission spectrometer 67 microsyringe 113 non ferromagnetic metallic conductivity tester
22 dispersive infra-red spectrophotometer 68 pycnometer with thermometer 114 fully automatic biochemical analyser
23 ELISA analyzer 69 plastic measuring vessel 115 water quality analyzer with photoelectric colorimetry and spectrophotometry 
24 ion meter 70 specific gravity ball 116 electrolyte analyzer
25 Fourier transform infrared spectrometer, 71 smelting point instrument 117 urine analyzer
26 total organic carbon analyzer 72 differential scanning calorimeter 118 distillation device
27 chemical oxygen demand (COD) analyzer 73 particle counter 119 freezing point tester
28 laser particle size analyzer 74 Melt flow speed indicator 120 digital refractometer and digital saccharimeter 
29 salimeter 75 electrochemical oxygen meter 121 blood viscometer
30 quadrupole rod indcutively coupled plasma mass spectrometer 76 carbon monoxide alarm detector 122 quantitative filling machne for liquid material
31 dissolved oxygen tester 77 flammable gas alarm detector 123 atomic fluorescence spectrophotometer
32 transmission smokermeter 78 laboratory oscillation-type liquid density meter 124 kinematic viscosity tester
33 liquid chromatograph-mass spectrometer 79 digital liquid density meter – weighed method 125 water quality on-line analyzers of heavy metal
34 liquid paticle counter 80 on-line pH meter 126 gel permeation chromatography
35 smoke sampler 81 photoionization detector for volatile organic compounds 127 biological oxygen demand (BOD5) tester
36 total suspended particulates sampler 82 zirconia oxygen analyzer 128 vapor pressure osmometer
37 dust sampler 83 paramagnetic oxygen analyzer 129 pH meter calibrator
38 air sampler 84 trace oxygen analyzer 130 on-line film electrode dissolved oxygen meter
39 floating bacteria sampler 85 infrared analyzer for carbon monoxide and carbon dioxide 131 detector of titer of antibodies
40 determinators for total sulfur in coal 86 nitrogen-oxide analyzer - chemiluminescent immunoassay 132 catalysis combustion type methane measuring device
41 flue gas analyzer 87 sulfur dioxide gas detector 133 carbon monoxide alarm detector for mine
42 open/closed cup flash point tester 88 thermal conductivity hydrogen analyzer 134 chlorine gas alarm detector
43 thin layer chromatographic scanne 89 formaldehyde gas detector 135 chloroethylene alarm detector
44 osmometer 90 ozone analyzer 136 hydrogen chloride alarm detector
45 biochemical analyzer 91 ammonia gas detector  
46 elemental analyzer 92 Engler viscosity meter  


  • Headquarters
  • Anhui
  • Beijing
  • Chongqing
  • Fujian
  • Guangdong
  • Guangxi
  • Hainan
  • Heilongjiang
  • Henan
  • Hubei
  • Hunan
  • Jiangsu
  • Jiangxi
  • Jilin
  • Liaoning
  • Shaanxi
  • Shandong
  • Shanghai
  • Sichuan
  • Tianjin
  • Zhejiang
  • Guangzhou

    Tel:+86-20-38699960 38699961
    Fax:+86-20-38698685 38695185
    Address:Guangzhou City, Whampoa  Avenue Tianhe District Xiping Yun Road No. 163>Consult a map
  • Hefei

    Address:Hefei City Economic and Technological Development Zone Furong Road 268 Furong standard workshop 2#-A south 2consult a map
  • Wuhu

    Address:No. 3, No. 3, Wanda Plaza, Jinghu District, Jinghu District, 1413-1414consult a map
  • Beijing

    Tel:+86-10-60936218 60936200
    Address:Beijing Liangshuihe Yizhuang Economic Development Zone, two Street No. 8 Han enterprise Bay 5 building B block one or two layerconsult a map
  • Chongqing

    Address:62, Neptune, Neptune, B, 3-2 of Xingguang Avenue in the northern New Area of Chongqing Cityconsult a map
  • Xiamen

    Address:3 floor, innovation building, 1300 Jimei Avenue, Jimei District, Xiamenconsult a map
  • Shenzhen

    Tel:+86-755-86218233 86242294
    Address:No. 12 Qinghua Road, No. 12, Guanlan street, Longhua new area, Shenzhen City, Guangdong Province, it is the 4 floor of the groupconsult a map
  • Guangzhou

    Tel:+86-20-38699960 38699961
    Fax:+86-20-38698685 38695185
    Address:Guangzhou City, Whampoa  Avenue Tianhe District Xiping Yun Road No. 163consult a map
  • Zhuhai

    Address:Zhuhai city Xiangzhou District Nanping South Road No. 32 Building 4, 311 cultural and Creative Parkconsult a map
  • Dongguan

    Address:Changping chamber of Commerce building, Changping Town, Dongguan, Dongguanconsult a map
  • Zhongshan

    Address:Zhongshan City Highway No. 2 in Shiqi District Anne Ken commercial building 13 block Fconsult a map
  • Nanning

    Address:Guangxi City, Nanning National Road No. 166 building 2215 East International T2consult a map
  • Haikou

    Address:Room 1208, China World Trade Center Avenue Jialing mansion, Haikouconsult a map
  • Harbin

    Address:Room A, room A, No. 331, No. 331, West Dazhi street, Nangang District, Nangang Districtconsult a map
  • Zhengzhou

    Address:12 University Science Park, No. 11, Changchun Road, Changchun Road, Zhengzhou City, Henanconsult a map
  • Luoyang

    Address:Xigong District of Henan province Luoyang City Kaixuan Kerry Harbourside business room 1303consult a map
  • Wuhan

    Address:No. 488, Lu Mill Road, Hongshan District, Wuhanconsult a map
  • Changsha

    Address:Hunan high tech Zone Changsha Lu Valley Yuyuan building B8 building of radio measurementconsult a map
  • Suzhou

    Address:19 house 1701 (Wanda Plaza C building), 3188 people's road, Suzhou District, Suzhouconsult a map
  • Nanjing

    Address:Shuanglong road in Jiangning District of Nanjing City, No. 1118 Building 1 Room 518 Kingland xinduhuiconsult a map
  • Wuxi

    Address:High tech Zone Wuxi City Linghu Road No. 200 Chinese Sensor Network International Innovation Park building F8consult a map
  • Nanchang

    Address:Ziyang road in Nanchang city high tech Development Zone of Jiangxi Province, No. 3333 new green city 12 floor room 1201consult a map
  • Changchun

    Address:Room 421 and 423, seat A, No. 2499, Changchun high tech Industrial Development Zone, Wei Shan Roadconsult a map
  • Dalian

    Address:Room 1902, Zhujiang International Building, No. 99, new opening Road, Xigang District, Dalianconsult a map
  • Shenyang

    Address:Hunnan wavesource street in Shenyang city of Liaoning Province, No. 16-13, international emerging industrial park 14 Building 2 consult a map
  • Xi'an

    Tel:+86-29-88765096 81775481
    Address:The one or two layers of science and technology C households on the No. 32 well of the new industrial park, the new industrial pconsult a map
  • Qingdao

    Address:One floor, No. 2, Qingdao high level talent center, No. 152, Zhuzhou Road, Laoshan District, Qingdaoconsult a map
  • Ji'nan

    Address:Ji'nan hi tech Zone, union fortune square, building 1, 805consult a map
  • Shanghai

    Address:No. 1188 Yongjing Road, Jiading District, Shanghai, Shanghaiconsult a map
  • Chengdu

    Address:Chengdu three Wuhou District Road, No. 9 East Vuko Conte Incubation Park building two floor 3 floorconsult a map
  • Tianjin

    Address:Tianjin Saida emerging Xiqing economic and Technological Development Zone Industrial Park G block 1,2consult a map
  • Hangzhou

    Address:Room 168 of Hangzhou Xiasha diocese school, room 1110-1114, yiff science and technology building, School of modern science and tconsult a map
  • Ningbo

    Address:Room 901, room B, No. 95 business building, No. 586, Jiangnan Road, Ningbo high tech Zoneconsult a map

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