Products Oxygen Free Copper and Oxygen Free Copper alloys in billets, cakes and rod Sales agent for Mitsubishi Materials Corp. for over 15 years. Mitsubishi Materials Group Copper, Aluminium and Nickel master alloys. Sales agent for KBM Afflips of Holland. KBM AFFILIPS B.V. Beryllium Copper including NGK strip and bar, plate forged and rolled. Titanium Copper strip. Prompt supply from stock in Shezhen,China Fujii Materials Phosphor Bronze, Nickel Silver and Leaded Beryllium Copper (C17300) bar and wire sales agent worldwide Thin Staineless Steel sheet specialty plated with Gold, Silver and/or Nickel including skiving. Aluminium/Brass/Phosphor bronze copper in coil, strip and sheet Specialty Copper alloys for the Resistance Welding and Plastic Molding industries,including Yamato NC25-beryllium free copper alloy for replacement. Prompt supply from stock in Shenzhen,China Contact probe parts and fully assembled probes Recycling and toll conversion agreements Aluminium, Copper and Stainless Steel scrap Operation in China and HongKong Coil service center in Shenzhen,China stock and slit operation NGK beryllium copper, titanium copper, brass, Phophor bronze, aluminium Eco brass Feature Aoyama Tsusho Co.,Ltd. Aoyama Takano Bldg, 7F 3-5-4, Kita Aoyama, Minato-ku, Tokyo, 107-0061, Japan Copyrights(C) AOYAMA-TSUSHO Co.,Ltd. all rights reserved. What is this mark?