1. Professional R&D team. Application test support ensures that you no longer worry about multiple test instruments. 2. Product marketing cooperation. The products are sold to many countries all over the world. 3. Strict quality control. 4. Stable delivery time and reasonable order delivery time control. We are a professional team, our members have many years of experience in international trade. We are a young team, full of inspiration and innovation. We are a dedicated team. We use qualified products to satisfy customers and win their trust. We are a team with dreams. Our common dream is to provide customers with the most reliable products and improve together. Trust us, win-win.Product Category: 50G QSFP28 Transceiver  Product Name: 50G Dual 1310nm 10km SFP Transceiver Product number: ZMT-Q28-S31L-10D