Jiangsu Zhongjian Zhiyuan Engineering Technology Co., Ltd. was established in Nanjing, the capital city of Jiangsu Province, and is affiliated with Jiangsu Zhongjian Engineering Design Research Institute Co., Ltd. The headquarters holds Grade-A qualifications in chemical, petrochemical, and pharmaceutical engineering design, Grade-A architectural engineering design, Grade-A engineering consulting, Grade-B environmental engineering design, Grade-B light and textile engineering design, Grade-B geological exploration and surveying services, engineering surveying, power supply and distribution design, pressure pipeline GB/GC design, and related general contracting for engineering projects. It is a Grade-A engineering technology service provider with a comprehensive range of.......