68 results
20-F/A
2015 FY
EX-12.2
TANH
Tantech Holdings Ltd
28 Oct 16
Annual report (foreign) (amended)
12:00am
over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting
20-F
EX-12.1
vx1t69 qf413
30 Apr 15
Annual report (foreign)
12:00am
20-F
EX-12.2
x0b0d78
30 Apr 15
Annual report (foreign)
12:00am
20-F/A
EX-12.1
n2uh63 ewz
21 Dec 16
Annual report (foreign) (amended)
12:00am
20-F/A
EX-12.1
5fwqc eyqd
28 Oct 16
Annual report (foreign) (amended)
12:00am
20-F/A
EX-12.2
32g5t96 7nvkk
28 Nov 16
Annual report (foreign) (amended)
12:00am
20-F/A
EX-12.2
bw5c pb93
21 Dec 16
Annual report (foreign) (amended)
12:00am
20-F/A
EX-12.1
8kleampb9ude8al0u2cd
28 Nov 16
Annual report (foreign) (amended)
12:00am