www.lktrefractories.com ZIBO LONG KETER NEW MATERIALS CO.,LTD. based in Zibo, China P.R., which is located in the center of Shandong Province, famous for its heavy industry, particular in Refractories & Ceramic manufacturing. Long Keter specialized in refractories manufacturering and marketing, keep "make energy efficiency simpler" in mind, Long Keter aims to provide customers with...