Complex sentence: In India the Supermax and Gallant brands manufacture both the Trac II handles and blades and according to USRazor sales of the Trac II style razor have always been strong and have increased over the last few years due to consistent quality and increased consumer demand.
Split into simpler sentences: In India the Supermax and Gallant brands manufacture Trac II handles and blades. According to USRazor, sales of the Trac II style razor have always been strong and have increased over the last few years due to consistent quality and increased consumer demand.