多米尼加采购需求：LED天花灯、LED筒灯、LED豆胆灯、LED轨道灯、LED泛光灯、LED射灯

I would like to inquire about the availability and pricing for the following items: first, I'm interested in ordering 170 pieces of 100W LED street lamps from the LIPER brand. Additionally, I need 50 pieces of 150W LED street lamps, also from the same brand. Furthermore, I am looking for 220 pieces of arms for the street lamps. Could you please provide me with detailed information regarding the specifications, lead time, and any available bulk discounts? Your prompt response would be greatly appreciated as it will assist in making timely procurement decisions. Thank you!