Zhejiang Renzhi Co., Ltd., together with its subsidiaries, provides professional services in the oil and gas drilling and engineering fields in China. The company offers new energy power engineering services, such as exploration, scheme design, technical consulting, material procurement, construction, grid connection approval, and operation and maintenance management for power engineering projects. It engages in oilfield environmental protection services, including oil and gas field wastewater treatment, drilling fluid emergency support technical services, mud-free landing technical services, waste disposal, resource utilization, technical consulting services for clean production projects, environmental hazard mitigation, treatment of drilling wastewater to meet standards, and treatment of oil and gas operation wastewater. It also provides drilling technical services, drilling technology services, mud technology services, mud solidification treatment technology services, drilling while drilling technology services, coiled tubing technology, well workover technology, oil (gas) testing technology, enhanced oil recovery technology for oil and gas wells, acid fracturing technology, casing completion technology, open hole completion technology, as well as specialty tools and products, and well control safety emergency support technology services. In addition, the company offers drilling and workover pipes, tool inspection and flaw detection, wear resistant strip welding of drilling tools, pipe and tool thread repair and processing, drilling tool straightening, and field non destructive testing of high pressure manifolds, drilling, workover, and well completion, providing inspection and repair services for drilling tools, drill pipes, and connecting tools, and provides safety assurance. Further, it provides pipeline functional masterbatches, special materials, and alloy engineering materials. The company was founded in 2006 and is headquartered in Shenzhen, China.