Xi 'an Zealchon electronic technology co., LTD, located in new industry development zone Xi'an, an ancient city China. It covers area of 7500 square meters building area. Zealchen specialize two aspects: one is civil engineering research and ...

Liaoning Huake Petroleum Apparatus Science & Technology Co., Ltd. formerly named as Shenyang Weigong Glass Meter Plant, is a high-tech enterprise which integrated with research, manufacture and trade. With the reform of internal management system, new ...