97色在线观视频免费_中文字幕永久视频在线看_亚洲日韩高清aⅴ在线观看_中文字幕无码日韩欧免费

Project
Entry name:Leshan Haosheng mineral products Co. Ltd. - energy-saving environment-friendly kiln project
Place:Sicuan Seat number:2
Effective volume:300m3 Total height:28m
Single kiln daily output:180t Purpose:calcium carbide
Use unit: Construction date:2011.05
etails description:No explanation