Weifang Toption Chemical Industry Co., Ltd., i whakapumautia i te tau 2006 me te whakapaipai kua rehitatia e 5 miriona, 150 kaimahi, i whakatapua ki nga matū whakahoahoa taiao; he kaihanga umanga o Calcium Chloride, Barium Chloride, Magnesium Chloride, Sodium Metabisulfite, Sodium Bicarbonate, Sodium Hydrosulfite, Gel Breaker, etc.
To maatau whakaaturanga tono hua
Ko o maatau hua e tohu ana i te kounga
Kaupapa Kua Oti
Tuhinga o mua
Nga tohu toa
Te ahunga whakamua o te kaupapa
Ratonga Kaihoko, pai te kaihoko