Shenzhen Zijing Optoelectronics Technology Co., Ltd. Company Overview Founded in 2019 and headquartered in Shenzhen, Zijing designs, manufactures, and sells LCD projectors and optoelectronic products. The company operates its own production base and a ......

Welkin Industry （shandong）Limited Wireless Security Television Monitoring System The main products include computer output micrographics equipment; security monitoring alarm equipment: monitoring station, surveillance equipment, security equipment; ......

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