spun concrete in sri lanka senaka zenn pvt ltd
spun concrete in sri lanka senaka zenn pvt ltd 35m3hr using Spun Concrete In Sri Lanka Senaka Zenn Pvt Ltd An associate company of the Senaka Group Senaka Builders Pvt Ltd in association with ZENN HRB SDN BHD of Malaysia propose to set up a joint venture project Senaka Zenn Pvt Litd for the manufacture of pre stressed spun concrete poles piles and other pre stressed concrete