国产日韩免费视频一区二区三区_About us-Shandong Senyu Seiko Technology Co., Ltd

日韩欧美中文字幕另类在线视频-国产亚洲欧美日韩综合在线-黑人巨大精品欧美一区二区久-国产成人久久精品77777综合-亚洲综合久久久久久中文字幕

Company profile精益求精，誠信為本

Hot Tel

0538-7427668

SENYU SEIKO

Shandong Senyu Seiko Technology Co., Ltd. is a national high-tech enterprise integrating scientific research, production and sales.our company covers more than 60,000 square meters with a construction area of 46,000 square meters.there are more than 300 employees, including 28 professional and technical personnel, 6 masters and 2 doctors. Mainly engaged in the production and manufacturing of three sectors:First is near net shape precision manufacture and high precision processing.Second is mine intelligent equipment manufacturing.Third is health water purification system equipment manufacturing.