Xuchang Lanlan Cov plaub hau khoom Co., Ltd., nyob rau hauv Xuchang, Henan - "Capital ntawm Tuam Tshoj Perms" - yog ib tug tag nrho-kev lag luam-chain plaub hau khoom lag luam koom ua ke R & D, ntau lawm, muag, thiab ntshuam-export. Nws yog tag nrho los ntawm ib tus neeg, nrog Zhou Lan ua nws tus neeg sawv cev raug cai. Lub tuam txhab tau tso npe rau lub Tsib Hlis 26, 2020, thiab tau koom nrog kev lag luam perm rau 16 xyoo.
2025 Tag nrho cov cai tshwj xeeb-Suav plaub hau expo-Txoj Cai Tswjfwm Ntiag Tug