Weifang Toption Chemical Makampani Co., Ltd., anakhazikitsidwa mu 2006 ndi likulu mayina 5millions, antchito 150, odzipereka kwa mankhwala enviromental wochezeka; ndi katswiri waukadaulo wa Calcium Chloride, Barium Chloride, Magnesium Chloride, Sodium Metabisulfite, Sodium Bicarbonate, Sodium Hydrosulfite, Gel Breaker, etc.
Chiwonetsero chathu chogwiritsa ntchito
Zogulitsa zathu zimatsimikizira mtundu
Ntchito Zomaliza
Zaka Zambiri
Mphoto zopambana
Kupita patsogolo kwa polojekiti
Kusamalira makasitomala, kukhutira ndi makasitomala