WorkVenture gives you an inside look at what it's like to work at Weld Intertrade System Co., Ltd., office & team photos, reviews and more. This is the Weld Intertrade System Co., Ltd. Company Page. All content is posted anonymously by employees currently or previously working at Weld Intertrade System Co., Ltd..Apply to AbetarApply to Topica EdtechApply to CPLApply to SCG