DQ [DAQO NEW ENERGY] SC 13G/A: CUSIP NO. G26583 107 13G Joint Filing Agreement
[CUSIP NO. G26583 107 13G Joint Filing Agreement [Remainder of this page has been left intentionally blank.] CUSIP NO. G26583 107 13G Weidong Chen Jinhong Cai Jinhong Xiao Defu Ji Ace Pro Holdings Limited]