秦皇岛中燕机械设备有限公司是中国最大的井下马达和管线产品供应商之一。
Qinhuangdao Zhongyan Machinery Co., Ltd is one of the largest suppliers of downhole motors and pipeline products in China.
无锡大燕电子有限公司本着对客户负责的原则，在品质方面不懈追求，立志成为行业一流供应商。
Wuxi Tai Yan Electronics co., Ltd. based on the principle of responsible customers, in pursuit of quality, determined to become a leading industry suppliers.
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