这个款式很好卖 This style of good is good sales. (or This style is good sales.)我们保证产品质量 Our company guarantee the quality (or The quality is guaranteed)没有内箱no inner box...
This style is in great demand./ this style sell well. / this style have a ready market .也就是说这个款式很畅销的意思啦We assure the quaility of these products .我们保证这些产品的质量...