国产精品三区四区video_午夜影院在线观看日韩_国产三级片在线一区_欧美高清专区一区_欧美一级人与嘼 视频_精品人妻少妇白浆无码_精品三级在线专区_手机国产高清欧美曰片_網友分享不卡国产视频心得_老师摸自己下面摸出白浆视频

EnterTianwei

Energy saving/environmental protection/economy/safety

Guangdong Tianwei Construction Engineering Co., Ltd. was established in March 2009 and is located in Dongguan, the world factory. After years of self-growth and development, the company's team has gathered professional and technical personnel in construction/environmental engineering, industrial automation, mechanical engineering and other disciplines. Our company is a construction team with advanced technology, Japanese management and rich experience.
The company has many years of experience in construction engineering, electromechanical engineering, sales of building materials and electric power equipment, indoor and outdoor decoration, urban engineering design, and construction. The service items include a series of professional services such as project consulting, design sales&procurement, construction engineering and equipment testing, commissioning, maintenance and maintenance.