You are planning to import Flexible LED which is under HS8541. There is no import duty require. The sales tax is 10% (if the price more than RM500). The sales tax is a consumption tax charged at the point  of import for certain goods. For your information, Flexible LED (and any other LED lamp are) is not a control item yet in Malaysia. For time being, it does not need any approval. If you still want to get your product approved, you can do it on voluntary basis. However, it is recommended for your product to be approved in order to get consumer's trust.