Formulation of base material formula According to the test results, established by experience formu..

1, the preparation of the color film When color matching, the amount of pigment added is very littl..

1. Sampling We are using the Christmas tree special material that the user is using as the sample. ..

The Christmas tree can be directly sent to the zoo to feed all kinds of animals, including elephants..

What is the Christmas tree tree, they are what time from the beginning to play this sacred duty? Wh..

Why is Christmas so hot in China? In recent years China Christmas had come before Christmas, full o..