Shenzhen Grace ShenLi Alu Co. Ltd (SLA) — a new concept and an integration of science, industry and commerce. Estabilished in 2004,we are a group company directing our efforts on the following areas: ．Research and development in the treatment process of aluminium alloyed materials and aluminium alloyed strips and plates; ．Speacializing on aluminium alloys related coated products, aluminium and other composite metal materials production for special application; ．Domestic sales, import and exp...