纵横天地广博互通北京卡尔曼网络公司点滴卡尔曼集团是一家跨国性多元化实业集团，其总部设在香港，并在世界各地设有多间分支机构，在中国北京、天津、西安、珠海、深圳和沈阳等地拥有十几家独资、合资企业。集团业务范围从电子产品、通信设备、计算机软硬件贸易发展到通... Vertical and horizontal interoperability Beijing Kalman Network Co., Ltd. is a multinational diversified industrial group headquartered in Hong Kong, and has branches all over the world in Beijing, Tianjin, Xi’an, Zhuhai, Shenzhen, China. And Shenyang and other places have more than a dozen wholly-owned, joint ventures. The Group’s business scope extends from electronic products, communications equipment, computer hardware and software trade to...