Recovery and Refining

Environmental Technology

Recovery and Refining

We offer a comprehensive recycling system ranging from the recovery and refining of used scrap metal containing precious metals to the remanufacture of those metals into products.

Scrap is an important resource. Please select your collectors and refiners on the basis of their reliability.


  • High extraction technology and accurate evaluation
  • Flexible account settlement system, including purchasing, bullion return and recovery as precious metal products
  • Strict confidentiality on recovered materials
  • Preprocessing technology and processing equipment which are adapted for any form of scrap metal
  • Precious metal separation technology and precision cleaning technology from sputtering equipment and vapor deposition equipment
  • Provision of precious metal recovery equipment (electrolysis equipment, ion exchange resin equipment, activated carbon filter etc.)


  • Certified as a “Good Delivery Referee” by the London Bullion Market Association (LBMA)
  • Certified as a “Good Delivery Referee” by the London Platinum and Palladium Market (LPPM)
  • Certified melter of gold (the first in Japan) and silver at the London market
  • Good delivery bar in platinum and palladium by the LPPM
  • Recognized as a “Good Delivery” brand for gold bullion by the New York Commodity Exchange, Inc (COMEX)
  • Certified melter of platinum and palladium by the New York Mercantile Exchange (NYMEX)
  • ISO9001, 14001, and OHSAS18000 certified

Types of Precious Metal Recovery

Solid recovery

Recovery from scrap metal containing precious metals

  • Used targets
  • Printed wiring boards
  • ICs
  • Ceramic package
  • Waste catalysts
  • Scrap from ornament processing
  • Used paste, etc.

Liquid recovery

Recovery from waste liquid containing precious metals

  • Waste plating solution
  • Other waste liquids containing precious metals

Sales of equipment

Precious metal recovery equipment


Precision Cleaning of Precious Metal Adhering to Jigs, and Precious Metal Recovery.

  • We offer precision cleaning technology for reliable evaluation of precious metal adhering to the surface of sputtering or vapor equipment
  • Thin-film removal technique using our proprietary chemical solvents designed to minimize damage to jigs
  • Precious metal evaluation assured with trustworthy analytical technology.
  • Recovered precious metals from jigs are effectively used as deposition ingredients such as targets or vapor deposition materials

Overview of Precision Cleaning and Precious Metal Evaluation Process

Sputtering equipment at our plant

Gold target

Flowchart of Recovering and Refining Precious Metals