No.41-4,Changlong Road, Buji street,Longgang district

Vigorrain Technology Co.,Ltd is specialized in hardware equipments manufacturing and wholesaling with rich experiences for 10 years. Products have been applied for patents and sold overseas and domest...

Jinqiao Science Industrial Base, Zhongguancun High-Tech Park, Tongzhou District, Beijing City

Established in 2007, Beijing Tianqinglidu Technology Co., Ltd. is a manufacturer specialized in the research, development and production of oil well logging, drilling, and oil extraction instruments a...