About us

  Tungsten

    Nanjing Tungsten Technology Co.,Ltd, the professional manufacturer of jewellery testing equipment is an enterprise integrating research, development, production and trade for more than 20 years. Products are widely used in jewelry manufactures, jewelry companies, gold stores, jewelry testing institutions, national or university laboratory, major banks, pawn shops, auctions, Customs inspection departments. The area is located in Nanjing, Jiangsu Province. We are highly recognized by our customers at home and abroad with integrity, strength and quality. We adhere to the business philosophy of “customer as the core” to provide our customers with quality service. Welcome friends from all fields to visit Nanjing Tungsten Technology Co., Ltd, for guidance and business negotiation.

    For a long time, we have insisted on taking customers as the core, and hope that customers can enjoy better products and services at relatively acceptable prices. Therefore, we stick to high quality parts, observe and test each machine for a certain period before delivery. It is precisely because of our professional quality, rigorous attitude and responsible service that we have loyal users all over the world.