4月22日，F66永乐橡胶出产誓师大会暨橡胶开割启动典礼在F66永乐集团龙江分公司开割胶园进行

On April 22nd, the Rubber Production Oath-taking Conference and Rubber Tapping Launch Ceremony of Hainan Natural Rubber Industry Group Co., Ltd. is held in the rubber tapping plantation of the Longjiang Branch of Hainan Rubber Group.