WorkVenture gives you an inside look at what it's like to work at Gemcity Engineering And Manufacturing Co., Ltd., office & team photos, reviews and more. This is the Gemcity Engineering And Manufacturing Co., Ltd. Company Page. All content is posted anonymously by employees currently or previously working at Gemcity Engineering And Manufacturing Co., Ltd..Apply to Symbior SolarApply to KlookApply to AisinApply to Paramita Studio