5664db65_ology_Co___Ltd__on_Alibaba_com__2
[0] Opening for the traffic [1] The traffic is opened immediately after the patching is finished. [3] The traffic is closed after the patching is finished, waiting for the emulsion to break. [2] 
The traffic is closed for a period after the patching is finished
Roadphalt asphalt sealer, View Roadphalt asphalt sealer, Roadphalt Product Details from Shanghai Roadphalt Asphalt Technology Co., Ltd. on Alibaba.com
2