Ubuso buteganijwe bwa Yamen New Fortune Ibidukikije Amashanyarazi ni hegitari 1950. Ni Parike y’Abashinwa yerekana amashanyarazi hamwe n’ikigo cyagenewe amashanyarazi mu Ntara ya Guangdong. Muri parike zose hari ibigo birenga 100, bicungwa kandi bigakorwa na Yamen New Wealth Kurengera Ibidukikije.
Ahantu parike, metero pH yacu ikoreshwa mubice kuminara ya gaze yimyanda kugirango ihite igenzura alkali yiyongera. Nyuma ya serivise ku nzu n'inzu y'ibiro bya Guangdong bya Sinomeasure, kunyurwa kwabakoresha byateye imbere cyane. Kugeza ubu, umunara wa gaze yimyanda yikigo muri parike ugenda ukoresha buhoro buhoro metero pH yigenga yakozwe na Sinomeasure.
