SZ Topsource Industrial Co., Ltd is a big supplier which specialized in IC trading, covering top integrated circuit, audion of occident.Such as: RFM,PT,AUK,KEC,HYNIX,SAMSUNG,ISD,HOLTECK,ST,ISD,ON and so on. Be widely used in war industry, industry,communication and so on. With the principle of delivery fast, suitable price, develop ing together, serve for new and regular customer sincerely. Welcome to your phone and negotiation!