- Mark International Trading House
- Address:Uma Bhawan, Suryamarg-19, Thapathali
- Nepal Minerals Research and supplier
- Address:Khandbari Nayabazar
- Red Oak Trader
- Address:Lainchaur-29
- Nepal Minerals Research and suppliers
- Address:Khandbari Nayabazar
- Nepal Himalayan Crystal Industry (p.) Ltd.
- Address:Gongabu, Mahadevtar
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