Hangzhou Zongju Optical Equipment Co., Ltd. bụ isi na Hangzhou, China. Anyị bụ ndị a ọkachamara soplaya ọkachamara na nnyocha na mmepe, n'ichepụta na ahịa nke ngwa anya eriri nnyefe na Telecommunication akụrụngwa.

Zongju na-enye ọtụtụ nhọrọ nke ngwa anya eriri akụrụngwa. Akụkụ ngwaahịa anyị gụnyere: CATV optical transmitters, optical fiber amplifiers (EDFA, YEDFA, wdg), ndị na-anabata ngwa anya, PON system OLT na ONU, dispersion pay modul, ngwa anya switches, SAT-IF nnyefe, Optical fiber media converter, iche iche ngwa anya eriri n'ezinụlọ mmiri, oru ngo echichi ule ngwaọrụ na ngwá, wdg Ngwaahịa na-n'ọtụtụ ebe na mpaghara na netwọk, Mmaji okpukpu atọ na FTTx, na-enye ndị kasị mma na kasị adabara ngwaahịa maka netwọk zuru ụwa ọnụ.