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北京长石京源电子技术有限公司

The 15th Shanghai International Water Exhibition was held as scheduled

2023-04-25

The Charm of Beijing Changshi Jingyuan Electronic Technology Co., Ltd. at the Shanghai International Water Exhibition
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The 15th Shanghai International Water Exhibition was held as scheduled

2023-06-10

On June 5th, 2023, the 15th Shanghai International Water Exhibition was grandly held at the Shanghai National Convention and Exhibition Center. Beijing Changshi Jingyuan Electronic Technology Co., Ltd. debuted at the exhibition with new products.
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2024年第十六届上海国际环保产业与资源利用博览会

2024-06-03

国际环保会在上海举行,长石京源携带公司产品虚席以待,欢迎新老客户莅临。
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2011年

2024-03-13

2011年11月在北京成立
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