| Standard No. |
Title |
Price(USD) |
Delivery |
Status |
Add To Cart |
| GB/T 16553-2017 |
Gems—Testing |
 (USD) |
via email in
1-10 business day
|
VALID
|
|
| GB/T 32022-2015 |
Adornment with precious metal coating |
 (USD) |
via email in
1-3 business day
|
VALID
|
|
| T/GYSP 5-2018 |
Samples testing—Jadeite |
|
via email in
|
VALID
|
please email coc@codeofchina.com for quotation
|
| DB36/T 862-2015 |
|
|
via email in
|
VALID
|
please email coc@codeofchina.com for quotation
|
| GB/T 16554-1996 |
Diamond Grading |
 (USD) |
via email in
1-3 business day
|
ABOLISHED
|
|
| QB/T 4442-2012 |
Ornaments Term |
 (USD) |
via email in
1-3 business day
|
VALID
|
|
| QB/T 4888-2015 |
Geometric size measuring methods of precious metal jewellery and accessory |
|
via email in
|
VALID
|
please email coc@codeofchina.com for quotation
|
| GB/T 34098-2017 |
Quartzose jade—Classification and nomenclature |
 (USD) |
via email in
1-3 business day
|
VALID
|
|
| GB/T 36129-2018 |
Gems testing—Cathode luminescence image method |
 (USD) |
via email in
1-3 business day
|
VALID
|
|
| GB/T 31108-2014 |
Classification and codes of jewelry inlay information |
 (USD) |
via email in
1-3 business day
|
VALID
|
|
| GB/T 16552-2010 |
Gems—Nomenclature |
 (USD) |
via email in
1-3 business day
|
ABOLISHED
|
|
| GB/T 16554-2017 |
Diamond grading |
 (USD) |
via email in
1-5 business day
|
VALID
|
|
| GB/T 11888-2001 |
Jewellery--Ring-size--Definition,measurement and designation |
|
via email in
1-3 business day
|
ABOLISHED
|
please email coc@codeofchina.com for quotation
|
| QB/T 4724-2014 |
|
 (USD) |
via email in
1-3 business day
|
VALID
|
|
| GB/T 38130-2019 |
Platinum jewellery alloys—Determination of platinum—Inductively coupled plasma(ICP)spectrometric method using yttrium as internal standard element |
|
via email in
1-3 business day
|
VALID
|
please email coc@codeofchina.com for quotation
|
| QB/T 4722-2014 |
|
 (USD) |
via email in
1-3 business day
|
VALID
|
|
| GB/T 28487-2012 |
Precious metal alloys chains—Determination of tensile strength—Method of tensile testing |
 (USD) |
via email in
1-3 business day
|
VALID
|
|
| GB/T 18781-2008 |
Cultured pearl grading |
 (USD) |
via email in
1-3 business day
|
VALID
|
|
| QB/T 4187-2011 |
Precious metal alloy coatings jewellery--General technical requirements of assembly |
|
via email in
|
VALID
|
please email coc@codeofchina.com for quotation
|
| QB/T 1135-2006 |
Jewellery-Measurement of gold and silver coating tickness-X-ray fluorescence spectrometric methods |
 (USD) |
via email in
1-3 business day
|
VALID
|
|
|
|
