ytdq.com.cn,ftth receiver,ftth receiver and other products at Yatai EDFA can be customized. For customized products, we can provide pre-production samples for confirmation. If any modification is needed, we can do as required. Yatai provides ftth receiver products that are selling well in United States, Arabic,Turkey,Japan,German,Portuguese,polish,Korean,Spanish,India,French,Italian,Russian,etc. Yatai,Our company main produces edfa,rf transmitter,small water heater.