BEIJING YAISU TECH CO., LTD BIGGEST FACTROY 4D| 5D| 6D CINEMAIN CHINA WE ARE NO 1! BEIJING YAISU TECH CO., LTD begin in 2000 year, is the first factory for manufacture 4D| 5D| 6D theater....
We specialize in producing and exporting construction materials such as the chemical admixture series for concrete, grouting series, organic/ inorganic waterproofing materials, rock-cracking agents....
We are producting the American and European stylish polyurethane ornaments which look like pure wood, but better than wood on the function.They are very popularin interior decoration presently ....