WorkVenture gives you an inside look at what it's like to work at H & A Telecommunication Co., Ltd., office & team photos, reviews and more. This is the H & A Telecommunication Co., Ltd. Company Page. All content is posted anonymously by employees currently or previously working at H & A Telecommunication Co., Ltd..Apply to MainspringApply to Select Sales CenterApply to Pizza ChicApply to Central Office Product