Jinghong Mannong Maple and Hainan Dengsheng Nursery Production Base. According to the data, 600 rubber saplings can be bought in the production bases of Manongfeng in Jinghong City and Dengsheng Nursery in Hainan. For example, the production base of Hainan Dengsheng Nursery is registered in Baisha Li Autonomous County. Our company mainly deals in rubber seedlings, jackfruit seedlings, mango seedlings, durian honey seedlings and betel nut seedlings.