Thaum Lub Kaum Ib Hlis 15th-17th, Wenzhou Xifa Industrial Co., Ltd koom nrog Shandong Fertilizer ncaj ncees.
Peb lub tuam txhab cov khoom lag luam nrog cov nqi siab thiab zoo tshaj tus nqi. Thaum lub sijhawm ncaj ncees, peb cov khoom nrov heev nrog peb cov neeg siv khoom. Nrog cov cai-yeej txoj cai, peb cov neeg sawv cev kev muag khoom yeej ntau ntau xaj. 
