日韩欧美国产中文,欧美日韩乱国产,日韩一区二区中文字幕,欧美日韩在线视频,欧美二区在线观看,国产欧美日韩在线视频,欧美专区在线播放

中文

Patent & Innovation


Sanfeng Environment focuses on innovation and is committed to solving the bottleneck problem that restricts the development of our country's Waste-to-Energy industry. Up to now, the Company has accumulated 145 patents, driving the technological progress of the industry.


Address: 3 Jianqiao Avenue, Jianqiao Industrial Park, Dadukou District, Chongqing, China Tel:(+86) 8805 5666

Chongqing Sanfeng Environment Group Corp. Ltd. All Rights Reserved 渝ICP備50010402000216號