Zhejiang Oka Refractories Co., Ltd. is committed to the research, development, manufacturing and sales of new energy-saving refractories.Oka vacuum forming products are made of high-quality ceramic fi···

The sintering brick production line of a factory adopts a hanging flat roof tunnel kiln with a width of 4.6m and a length of 130m. Each kiln can accommodate 30 kiln cars, which can better meet the pro···