NCH is BIS approved Assaying and Hallmarking Centre since 2007.
We are available at Surat Bhagal, Surat Ghod Dod Road, Surat Ichchapore, Valsad, Navsari, Vapi and Mumbai Sewree centre.
X-Ray Fluorescence Machine is used in testing the jewelry and artefacts quickly. The XRF machine helps in identifying the BIS prohibited elements in the jewelry like Cadmium, Ruthenium, Iridium, Osmium, etc. It is the principle and fundamental process of Assay and Hallmarking Centre. The quick assessination of each jewelry with the accurate report of purity and fineness can be known.
Laser marking on jewellery can be done of logo, diamond weight etc. It helps in value addition of ornaments. This facility is available at Surat, Ghod Dod Road, Valsad, Navsari and Vapi centre.
The accurate report of the jewelery on the Photo card for the satisfaction of the customer is absolutely a complementary service which is provided by hallmarking centre. Colorful smart card certificate along with ornament photo is issued of XRF testing. It remained useful to both the jewelers and the end user.
It is useful in repairing of finished jewellery. It solders just beside stone and meena without any damage. No need to polish jewellery again. This facility is available at Surat, Ghod Dod Road, Navsari and Valsad centre.
Laser marking on Silver jewellery can be done of logo, diamond weight etc. It helps in value addition of ornaments. This facility is available at Bhagal Surat only.
The accurate report, determination of elements present in the jewelry and artefacts can be known thoroughly. The most accurate method of determining the Silver content in the silver alloy. Following IS 2113 for generating the excellent result, after initiating the process of 4 hours.
The gold of any purity after the accurate assassination of XRF & Fire assay report will be converted to the pure gold of 999 purity will be provided to the customers.
In induction Melting the gold jewellery was completely melted in a minimum period where the homogeneity of the gold jewellery (excluding the stones contained in the jewellery) is maintained and meticulous report is being provided.
The service of gold & silver fire assay touch with accuracy and on time reports will be provided.