4月22日
，J9集团橡胶出产誓师大会暨橡胶开割启动典礼在J9集团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.