These Integrated the leading/nose landing gear doors, egress/ingress flight crew aspect hatches, RCS thrusters, mid-fuselage vent doorways and the payload bay doors. The RCS fairings have been made from Inconel®. IPS Ceramics has an extended history of giving cordierite kiln household furniture and also other ceramics supplies to ceramics industries https://www.pinterest.com/pin/1001488035878233666/