The proposal is annual and cerated maintain twice.

建议每年上保养两次。

The result of experiment shows that polyethylene cerate and bentonite pregel play important roles for flash primer.

实验结果说明，聚乙，膨通预凝胶在闪光漆中有重要作用。

To be on the top level in the industry is the working goal for us.We will provide much more high quality products,will cerate an even refulgent tomorrow.

争创行业的先锋， 我们奋斗的主题，拿出更优更好更多的产品，创造国通更辉煌的明天。