This APPENDIX is made/related to the agreement drawn up on the date of March 9th,, 2020 among Mount G&D Co., Ltd. Hwaseong Branch (hereinafter referred to as “Party A”), Shanghai Shenhua Elevator Fans Fittings Manufacture Co., Ltd. (hereinafter referred to as “Party B”) and Shanghai East Best Foreign Trader Co., Ltd. (hereinafter referred to as “Party C”)