China Green Development Investment Group said its unit Beijing Lvfazhongke
Lithium Capacitor Technology Co. completed full type tests on a 5MW‑class
all‑carbon lithium‑ion supercapacitor power cabin and obtained a China National
Accreditation Service (CNAS) accreditation report with international
mutual‑recognition. The group said this is the first domestic and global
5MW‑class all‑carbon supercapacitor power‑cabin to pass CNAS type testing.