Shun Shing Cement Mills Ltd - syci.fr. About Us Seven Rings Cement. The second factory of Seven Rings Cement was established in 2014 in Labanchara, KDA Industrial Area, Khulna under the name Shun Shing Cement Mills Ltd (SSCML) on the bank of Rupsha River which is only 7 KM away from Khulna City Center with production …