Shui On Construction and Materials Ltd  wholly-owned unit Shui On Building Materials Ltd said it will sell to Maxking  Investments Ltd the entire issued share capitals of four companies it owns  for HK$95. The four companies are Ken On Concrete Co Ltd, Instant Mortars Ltd, Shui  On Cement Co and Honest China Ltd.   Proceeds will be used to develop the group’s cement operations and  property operations in Hong Kong and China.