Which manufacturers do a good job in using asphalt emulsifier as micro-surfacing?

Slow cracking and quick setting asphalt emulsifier has the best effect on micro-surfacing. The quality of Westwick in America has been recognized, but the price is too expensive. The slow-cracking and quick-setting asphalt emulsifier produced by Shandong Boxing Banghua has been applied in Inner Mongolia, Xinjiang, Northeast China, Jiangsu, Guizhou, Chongqing, Henan and other places with good results.