男人免费视频_在线免费毛片_黄色av小说_国语播放老妇呻吟对白_公交车上和陌生人做了爱_黄色伊人网站_女女高潮h冰块play失禁百合_18禁免费观看网站_狠狠操网_国产高清视频_亚洲免费网站在线观看_羞羞羞网站_综合婷婷久久_国产色中色_草久在线观看视频

Established in October 2004, Qingyuan Xinlv Environmental Technology Co., Ltd. (hereinafter referred to as “Qingyuan Xinlv”) is an environmental technology enterprise integrated with environmental governance, comprehensive utilization and resource recycling. Qingyuan Xinlv owns advanced recycling production line for copper-containing spent etchant and tin-stripping waste liquid. The basic copper chloride, copper sulfate, stannic oxide and tin ingots, etc. produced by it have been widely used in animal feed, pesticide and electroplating industries, etc.

Scope of business: Waste recycling and comprehensive utilization, environmental protection engineering, sewage treatment, sales of chemical products, and recovery processing of copper-containing solution, tin-containing solution, copper-containing sludge, tin slag, and waste PCBs in electronics factory, PCB and electroplating factory.

Contact