... .0-4.00.10.250.1About us DIFU (Shanghai) International Co., Ltd. was established in 1989, our company specializing in non-ferrous ... level of service to meet the needs of social and economic development as the goal, to win the trust of customers.We ... to establish long-term friendly relations of cooperation, and common development ...Advantage: 1,Cheapest price 2,Larger supplier 3,Good quality ...