Complex sentence: After that, Li transferred to Heji Foreign Company (和記洋行) as a manager, meanwhile, he produced tea for export and also managed kerosene that belongs to Sanda Petroleum Company (三達石油公司).
Split into simpler sentences: After that, Li transferred to Heji Foreign Company (和記洋行) as a manager. In the meantime, he produced tea for export and also managed kerosene that belongs to Sanda Petroleum Company (三達石油公司).