（If needs detail answers and discussions, please contact LXZXL Chemical at marketing@lxzxl.com)

48. Expect the products can be more bright, what kind of topcoat shall be used?

49. In what kind of situation, the fluorex topcoat need be used?

50. In what kind of situation, the engineered siloxane topcoat need be used?

51. In what kind of situation, the cheap 1 component alkyd paint can be used?

52. In what kind of situation, the 1 component acrylic topcoat can be used?

53. The imported product need be repaired, and needs 3-5 liters paint, where can buy it?