Donsen yashinzwe mu 1996, iherereye muri NINGBO ahari umujyi mpuzamahanga wateye imbere kandi mwiza. Dufite uburambe bwimyaka irenga 10 muriki gice, turi mubakora umwuga wabigize umwuga kabuhariwe mu gukora imiyoboro ya pulasitike yo gutanga amazi no kuhira imyaka.
Ibicuruzwa byacu byingenzi ni imiyoboro ya PP-R, ibyuma byo guhunika PP, imiyoboro ya C-PVC hamwe n’ibikoresho, imiyoboro ya U-PVC n’ibikoresho, imiyoboro yo gushyushya hasi ya PE-RT, imashini ya pulasitike n’ubwoko bwose bwa plastike. Kurugero: PVC valve, valve ya PPR, C-PVC valve, BRASS.