4月22日，十大网投平台排名橡胶生产誓师大会暨橡胶开割启动仪式在海胶集团龙江分企业开割胶园举行

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.