Cowin Semiconductor Materials ( Ningbo) Co., Ltd.

Cowin Semiconductor Materials (Ningbo) Co., Ltd. is based in China and lists copper products on Global Trade Plaza. The company offers 6n copper materials, 6n copper pellets and 6n copper ingots, with purities stated as 99.999999% for pellets and 99.9999% for ingots. The product range also covers 5n and 7n grades, copper rod, copper back plate and copper alloy. The supplier states it operates 13,000 workshops, including 4,000 at 1,000,000-level cleaning rooms for purification and 1,000 at 300,000-level cleaning rooms for packaging. Designed annual capacity is given as 1,000 tons. The ingots are produced by vacuum melt and cast and analysed by GDMS, LECO and metallographic investigation. Buyers can send an enquiry through Global Trade Plaza.