WSM Trading Co. LTD comprises of five operational units:
   Purchasing Department
   Shipping Department
   Accounts Department
   Sales & Marketing Department
   Quality Control Department

WSM's quality control department inspects all the collected non-ferrous metal and randomly sends selected samples to an independent laboratory for quality test and metal analysis which can ensure the integrity of our products.

WSM has many years of experience in purchasing various types of non-ferrous metal internationally and importing the collected materials directly into our yard in Mainland China.

After many years of dedicated efforts in the international trades of non-ferrous metal, WSM currently has clients from all over the world. Particularly in the United States of America, Western Europe, Far East Asia, and Africa.

 WSM's major purchasing items include:
   No.1 Copper Wire (Berry) as per ISRI specification
   No.1 Heavy Copper (Candy) as per ISRI specification
   No.2 Copper Wire (Birch) as per ISRI specification
   No.2 Copper (Cliff) as per ISRI specification
   Scrap Drained/Dry Whole Intact Lead (Rains) as per ISRI specification
   Mixed Unsweated Auto Radiators (Ocean) as per ISRI specification
   Copper Billet
   Copper Ingot
   Copper Cathode
   Copper Blister
   Copper Concentrate
   Copper Ore